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Finding the Fourth Proportional to 99,373.59, 136,927.94 and 67,487.13

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Solution

The fourth proportional to 99,373.59, 136,927.94 and 67,487.13 is: 92,991.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,373.59 : 136,927.94 = 67,487.13 : x
  2. Step 2: Convert to fraction form
    99,373.59/136,927.94 = 67,487.13/x
  3. Step 3: Cross multiply
    99,373.59x = 136,927.94 × 67,487.13
  4. Step 4: Simplify right side
    99,373.59x = 9,240,873,349.98
  5. Step 5: Solve for x
    x = 9,240,873,349.98/99,373.59
  6. Step 6: Final answer
    x = 92,991.24

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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.