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Finding the Fourth Proportional to 135,952.77, 187,612.29 and 75,522.81

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Solution

The fourth proportional to 135,952.77, 187,612.29 and 75,522.81 is: 104,220.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,952.77 : 187,612.29 = 75,522.81 : x
  2. Step 2: Convert to fraction form
    135,952.77/187,612.29 = 75,522.81/x
  3. Step 3: Cross multiply
    135,952.77x = 187,612.29 × 75,522.81
  4. Step 4: Simplify right side
    135,952.77x = 14,169,007,331.33
  5. Step 5: Solve for x
    x = 14,169,007,331.33/135,952.77
  6. Step 6: Final answer
    x = 104,220.07

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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.