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Finding the Fourth Proportional to 79,864.66, 119,762.04 and 29,909.73

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Solution

The fourth proportional to 79,864.66, 119,762.04 and 29,909.73 is: 44,851.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,864.66 : 119,762.04 = 29,909.73 : x
  2. Step 2: Convert to fraction form
    79,864.66/119,762.04 = 29,909.73/x
  3. Step 3: Cross multiply
    79,864.66x = 119,762.04 × 29,909.73
  4. Step 4: Simplify right side
    79,864.66x = 3,582,050,315.81
  5. Step 5: Solve for x
    x = 3,582,050,315.81/79,864.66
  6. Step 6: Final answer
    x = 44,851.50

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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.