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Finding the Fourth Proportional to 95,614.14, 142,809.54 and 86,594.79

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Solution

The fourth proportional to 95,614.14, 142,809.54 and 86,594.79 is: 129,338.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,614.14 : 142,809.54 = 86,594.79 : x
  2. Step 2: Convert to fraction form
    95,614.14/142,809.54 = 86,594.79/x
  3. Step 3: Cross multiply
    95,614.14x = 142,809.54 × 86,594.79
  4. Step 4: Simplify right side
    95,614.14x = 12,366,562,126.30
  5. Step 5: Solve for x
    x = 12,366,562,126.30/95,614.14
  6. Step 6: Final answer
    x = 129,338.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.