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Finding the Fourth Proportional to 356,516.84, 534,894.36 and 116,641.72

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Solution

The fourth proportional to 356,516.84, 534,894.36 and 116,641.72 is: 175,001.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,516.84 : 534,894.36 = 116,641.72 : x
  2. Step 2: Convert to fraction form
    356,516.84/534,894.36 = 116,641.72/x
  3. Step 3: Cross multiply
    356,516.84x = 534,894.36 × 116,641.72
  4. Step 4: Simplify right side
    356,516.84x = 62,390,998,168.70
  5. Step 5: Solve for x
    x = 62,390,998,168.70/356,516.84
  6. Step 6: Final answer
    x = 175,001.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.