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Finding the Fourth Proportional to 97,756.80, 146,575.80 and 38,524.20

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Solution

The fourth proportional to 97,756.80, 146,575.80 and 38,524.20 is: 57,762.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,756.80 : 146,575.80 = 38,524.20 : x
  2. Step 2: Convert to fraction form
    97,756.80/146,575.80 = 38,524.20/x
  3. Step 3: Cross multiply
    97,756.80x = 146,575.80 × 38,524.20
  4. Step 4: Simplify right side
    97,756.80x = 5,646,715,434.36
  5. Step 5: Solve for x
    x = 5,646,715,434.36/97,756.80
  6. Step 6: Final answer
    x = 57,762.89

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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.