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Finding the Fourth Proportional to 242,210.20, 362,969.70 and 178,533.40

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Solution

The fourth proportional to 242,210.20, 362,969.70 and 178,533.40 is: 267,545.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,210.20 : 362,969.70 = 178,533.40 : x
  2. Step 2: Convert to fraction form
    242,210.20/362,969.70 = 178,533.40/x
  3. Step 3: Cross multiply
    242,210.20x = 362,969.70 × 178,533.40
  4. Step 4: Simplify right side
    242,210.20x = 64,802,214,637.98
  5. Step 5: Solve for x
    x = 64,802,214,637.98/242,210.20
  6. Step 6: Final answer
    x = 267,545.36

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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.