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Finding the Fourth Proportional to 237,518, 356,432.52 and 89,774

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Solution

The fourth proportional to 237,518, 356,432.52 and 89,774 is: 134,719.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,518 : 356,432.52 = 89,774 : x
  2. Step 2: Convert to fraction form
    237,518/356,432.52 = 89,774/x
  3. Step 3: Cross multiply
    237,518x = 356,432.52 × 89,774
  4. Step 4: Simplify right side
    237,518x = 31,998,373,050.48
  5. Step 5: Solve for x
    x = 31,998,373,050.48/237,518
  6. Step 6: Final answer
    x = 134,719.78

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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.