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Finding the Fourth Proportional to 94,472.97, 130,378.59 and 52,031.49

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Solution

The fourth proportional to 94,472.97, 130,378.59 and 52,031.49 is: 71,806.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,472.97 : 130,378.59 = 52,031.49 : x
  2. Step 2: Convert to fraction form
    94,472.97/130,378.59 = 52,031.49/x
  3. Step 3: Cross multiply
    94,472.97x = 130,378.59 × 52,031.49
  4. Step 4: Simplify right side
    94,472.97x = 6,783,792,301.80
  5. Step 5: Solve for x
    x = 6,783,792,301.80/94,472.97
  6. Step 6: Final answer
    x = 71,806.70

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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.