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Finding the Fourth Proportional to 356,281.34, 534,447.92 and 119,622.02

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Solution

The fourth proportional to 356,281.34, 534,447.92 and 119,622.02 is: 179,441.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,281.34 : 534,447.92 = 119,622.02 : x
  2. Step 2: Convert to fraction form
    356,281.34/534,447.92 = 119,622.02/x
  3. Step 3: Cross multiply
    356,281.34x = 534,447.92 × 119,622.02
  4. Step 4: Simplify right side
    356,281.34x = 63,931,737,402.01
  5. Step 5: Solve for x
    x = 63,931,737,402.01/356,281.34
  6. Step 6: Final answer
    x = 179,441.73

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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.