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Finding the Fourth Proportional to 129,513.76, 194,219.52 and 62,934.16

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Solution

The fourth proportional to 129,513.76, 194,219.52 and 62,934.16 is: 94,376.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,513.76 : 194,219.52 = 62,934.16 : x
  2. Step 2: Convert to fraction form
    129,513.76/194,219.52 = 62,934.16/x
  3. Step 3: Cross multiply
    129,513.76x = 194,219.52 × 62,934.16
  4. Step 4: Simplify right side
    129,513.76x = 12,223,042,346.80
  5. Step 5: Solve for x
    x = 12,223,042,346.80/129,513.76
  6. Step 6: Final answer
    x = 94,376.40

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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.