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Finding the Fourth Proportional to 92,031.48, 126,972.91 and 75,006.47

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Solution

The fourth proportional to 92,031.48, 126,972.91 and 75,006.47 is: 103,484.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,031.48 : 126,972.91 = 75,006.47 : x
  2. Step 2: Convert to fraction form
    92,031.48/126,972.91 = 75,006.47/x
  3. Step 3: Cross multiply
    92,031.48x = 126,972.91 × 75,006.47
  4. Step 4: Simplify right side
    92,031.48x = 9,523,789,587.51
  5. Step 5: Solve for x
    x = 9,523,789,587.51/92,031.48
  6. Step 6: Final answer
    x = 103,484.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.