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Finding the Fourth Proportional to 79,598.74, 119,292.56 and 58,439.82

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Solution

The fourth proportional to 79,598.74, 119,292.56 and 58,439.82 is: 87,582.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,598.74 : 119,292.56 = 58,439.82 : x
  2. Step 2: Convert to fraction form
    79,598.74/119,292.56 = 58,439.82/x
  3. Step 3: Cross multiply
    79,598.74x = 119,292.56 × 58,439.82
  4. Step 4: Simplify right side
    79,598.74x = 6,971,435,733.74
  5. Step 5: Solve for x
    x = 6,971,435,733.74/79,598.74
  6. Step 6: Final answer
    x = 87,582.24

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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.