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Finding the Fourth Proportional to 79,117.52, 118,679.92 and 44,030.74

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Solution

The fourth proportional to 79,117.52, 118,679.92 and 44,030.74 is: 66,048.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,117.52 : 118,679.92 = 44,030.74 : x
  2. Step 2: Convert to fraction form
    79,117.52/118,679.92 = 44,030.74/x
  3. Step 3: Cross multiply
    79,117.52x = 118,679.92 × 44,030.74
  4. Step 4: Simplify right side
    79,117.52x = 5,225,564,700.74
  5. Step 5: Solve for x
    x = 5,225,564,700.74/79,117.52
  6. Step 6: Final answer
    x = 66,048.14

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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.