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Finding the Fourth Proportional to 238,502.87, 329,132.88 and 136,527.77

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Solution

The fourth proportional to 238,502.87, 329,132.88 and 136,527.77 is: 188,407.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,502.87 : 329,132.88 = 136,527.77 : x
  2. Step 2: Convert to fraction form
    238,502.87/329,132.88 = 136,527.77/x
  3. Step 3: Cross multiply
    238,502.87x = 329,132.88 × 136,527.77
  4. Step 4: Simplify right side
    238,502.87x = 44,935,778,140.08
  5. Step 5: Solve for x
    x = 44,935,778,140.08/238,502.87
  6. Step 6: Final answer
    x = 188,407.70

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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.