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Finding the Fourth Proportional to 94,489.98, 130,397.10 and 52,049.40

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Solution

The fourth proportional to 94,489.98, 130,397.10 and 52,049.40 is: 71,828.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,489.98 : 130,397.10 = 52,049.40 : x
  2. Step 2: Convert to fraction form
    94,489.98/130,397.10 = 52,049.40/x
  3. Step 3: Cross multiply
    94,489.98x = 130,397.10 × 52,049.40
  4. Step 4: Simplify right side
    94,489.98x = 6,787,090,816.74
  5. Step 5: Solve for x
    x = 6,787,090,816.74/94,489.98
  6. Step 6: Final answer
    x = 71,828.68

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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.