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Finding the Fourth Proportional to 186,957.92, 280,434.18 and 87,062.24

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Solution

The fourth proportional to 186,957.92, 280,434.18 and 87,062.24 is: 130,592.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,957.92 : 280,434.18 = 87,062.24 : x
  2. Step 2: Convert to fraction form
    186,957.92/280,434.18 = 87,062.24/x
  3. Step 3: Cross multiply
    186,957.92x = 280,434.18 × 87,062.24
  4. Step 4: Simplify right side
    186,957.92x = 24,415,227,883.36
  5. Step 5: Solve for x
    x = 24,415,227,883.36/186,957.92
  6. Step 6: Final answer
    x = 130,592.10

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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.