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Finding the Fourth Proportional to 104,068.38, 143,614.38 and 56,321.76

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Solution

The fourth proportional to 104,068.38, 143,614.38 and 56,321.76 is: 77,724.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,068.38 : 143,614.38 = 56,321.76 : x
  2. Step 2: Convert to fraction form
    104,068.38/143,614.38 = 56,321.76/x
  3. Step 3: Cross multiply
    104,068.38x = 143,614.38 × 56,321.76
  4. Step 4: Simplify right side
    104,068.38x = 8,088,614,642.91
  5. Step 5: Solve for x
    x = 8,088,614,642.91/104,068.38
  6. Step 6: Final answer
    x = 77,724.04

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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.