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Finding the Fourth Proportional to 101,435.60, 152,153.40 and 54,196.40

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Solution

The fourth proportional to 101,435.60, 152,153.40 and 54,196.40 is: 81,294.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,435.60 : 152,153.40 = 54,196.40 : x
  2. Step 2: Convert to fraction form
    101,435.60/152,153.40 = 54,196.40/x
  3. Step 3: Cross multiply
    101,435.60x = 152,153.40 × 54,196.40
  4. Step 4: Simplify right side
    101,435.60x = 8,246,166,527.76
  5. Step 5: Solve for x
    x = 8,246,166,527.76/101,435.60
  6. Step 6: Final answer
    x = 81,294.60

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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.