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Finding the Fourth Proportional to 149,801.60, 224,767.84 and 87,472.32

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Solution

The fourth proportional to 149,801.60, 224,767.84 and 87,472.32 is: 131,246.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,801.60 : 224,767.84 = 87,472.32 : x
  2. Step 2: Convert to fraction form
    149,801.60/224,767.84 = 87,472.32/x
  3. Step 3: Cross multiply
    149,801.60x = 224,767.84 × 87,472.32
  4. Step 4: Simplify right side
    149,801.60x = 19,660,964,426.19
  5. Step 5: Solve for x
    x = 19,660,964,426.19/149,801.60
  6. Step 6: Final answer
    x = 131,246.69

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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.