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Finding the Fourth Proportional to 242,474.29, 334,624.86 and 135,044.32

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Solution

The fourth proportional to 242,474.29, 334,624.86 and 135,044.32 is: 186,366.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,474.29 : 334,624.86 = 135,044.32 : x
  2. Step 2: Convert to fraction form
    242,474.29/334,624.86 = 135,044.32/x
  3. Step 3: Cross multiply
    242,474.29x = 334,624.86 × 135,044.32
  4. Step 4: Simplify right side
    242,474.29x = 45,189,186,673.80
  5. Step 5: Solve for x
    x = 45,189,186,673.80/242,474.29
  6. Step 6: Final answer
    x = 186,366.92

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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.