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Finding the Fourth Proportional to 433,773.12, 650,585.88 and 118,156.20

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Solution

The fourth proportional to 433,773.12, 650,585.88 and 118,156.20 is: 177,214.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,773.12 : 650,585.88 = 118,156.20 : x
  2. Step 2: Convert to fraction form
    433,773.12/650,585.88 = 118,156.20/x
  3. Step 3: Cross multiply
    433,773.12x = 650,585.88 × 118,156.20
  4. Step 4: Simplify right side
    433,773.12x = 76,870,755,354.46
  5. Step 5: Solve for x
    x = 76,870,755,354.46/433,773.12
  6. Step 6: Final answer
    x = 177,214.20

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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.