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Finding the Fourth Proportional to 82,700.92, 114,159.70 and 58,627.70

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Solution

The fourth proportional to 82,700.92, 114,159.70 and 58,627.70 is: 80,929.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,700.92 : 114,159.70 = 58,627.70 : x
  2. Step 2: Convert to fraction form
    82,700.92/114,159.70 = 58,627.70/x
  3. Step 3: Cross multiply
    82,700.92x = 114,159.70 × 58,627.70
  4. Step 4: Simplify right side
    82,700.92x = 6,692,920,643.69
  5. Step 5: Solve for x
    x = 6,692,920,643.69/82,700.92
  6. Step 6: Final answer
    x = 80,929.22

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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.