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Finding the Fourth Proportional to 162,711.72, 224,535.56 and 94,730.64

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Solution

The fourth proportional to 162,711.72, 224,535.56 and 94,730.64 is: 130,724.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,711.72 : 224,535.56 = 94,730.64 : x
  2. Step 2: Convert to fraction form
    162,711.72/224,535.56 = 94,730.64/x
  3. Step 3: Cross multiply
    162,711.72x = 224,535.56 × 94,730.64
  4. Step 4: Simplify right side
    162,711.72x = 21,270,397,301.56
  5. Step 5: Solve for x
    x = 21,270,397,301.56/162,711.72
  6. Step 6: Final answer
    x = 130,724.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.