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Finding the Fourth Proportional to 97,747.60, 146,707.80 and 83,750.80

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Solution

The fourth proportional to 97,747.60, 146,707.80 and 83,750.80 is: 125,700.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,747.60 : 146,707.80 = 83,750.80 : x
  2. Step 2: Convert to fraction form
    97,747.60/146,707.80 = 83,750.80/x
  3. Step 3: Cross multiply
    97,747.60x = 146,707.80 × 83,750.80
  4. Step 4: Simplify right side
    97,747.60x = 12,286,895,616.24
  5. Step 5: Solve for x
    x = 12,286,895,616.24/97,747.60
  6. Step 6: Final answer
    x = 125,700.23

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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.