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Finding the Fourth Proportional to 555,355.23, 833,065.15 and 156,027.15

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Solution

The fourth proportional to 555,355.23, 833,065.15 and 156,027.15 is: 234,049.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,355.23 : 833,065.15 = 156,027.15 : x
  2. Step 2: Convert to fraction form
    555,355.23/833,065.15 = 156,027.15/x
  3. Step 3: Cross multiply
    555,355.23x = 833,065.15 × 156,027.15
  4. Step 4: Simplify right side
    555,355.23x = 129,980,781,118.82
  5. Step 5: Solve for x
    x = 129,980,781,118.82/555,355.23
  6. Step 6: Final answer
    x = 234,049.80

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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.