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Finding the Fourth Proportional to 333,779.54, 500,663.84 and 81,062.10

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Solution

The fourth proportional to 333,779.54, 500,663.84 and 81,062.10 is: 121,591.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,779.54 : 500,663.84 = 81,062.10 : x
  2. Step 2: Convert to fraction form
    333,779.54/500,663.84 = 81,062.10/x
  3. Step 3: Cross multiply
    333,779.54x = 500,663.84 × 81,062.10
  4. Step 4: Simplify right side
    333,779.54x = 40,584,861,859.15
  5. Step 5: Solve for x
    x = 40,584,861,859.15/333,779.54
  6. Step 6: Final answer
    x = 121,591.82

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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.