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Finding the Fourth Proportional to 79,897.59, 119,842.49 and 29,973.80

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Solution

The fourth proportional to 79,897.59, 119,842.49 and 29,973.80 is: 44,959.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,897.59 : 119,842.49 = 29,973.80 : x
  2. Step 2: Convert to fraction form
    79,897.59/119,842.49 = 29,973.80/x
  3. Step 3: Cross multiply
    79,897.59x = 119,842.49 × 29,973.80
  4. Step 4: Simplify right side
    79,897.59x = 3,592,134,527.19
  5. Step 5: Solve for x
    x = 3,592,134,527.19/79,897.59
  6. Step 6: Final answer
    x = 44,959.24

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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.