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Finding the Fourth Proportional to 161,485,510.40, 242,228,265.60 and 161,485,510.40

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Solution

The fourth proportional to 161,485,510.40, 242,228,265.60 and 161,485,510.40 is: 242,228,265.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,485,510.40 : 242,228,265.60 = 161,485,510.40 : x
  2. Step 2: Convert to fraction form
    161,485,510.40/242,228,265.60 = 161,485,510.40/x
  3. Step 3: Cross multiply
    161,485,510.40x = 242,228,265.60 × 161,485,510.40
  4. Step 4: Simplify right side
    161,485,510.40x = 39,116,355,103,722,760
  5. Step 5: Solve for x
    x = 39,116,355,103,722,760/161,485,510.40
  6. Step 6: Final answer
    x = 242,228,265.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.