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Finding the Fourth Proportional to 97,959.20, 146,938.80 and 24,087.20

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Solution

The fourth proportional to 97,959.20, 146,938.80 and 24,087.20 is: 36,130.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,959.20 : 146,938.80 = 24,087.20 : x
  2. Step 2: Convert to fraction form
    97,959.20/146,938.80 = 24,087.20/x
  3. Step 3: Cross multiply
    97,959.20x = 146,938.80 × 24,087.20
  4. Step 4: Simplify right side
    97,959.20x = 3,539,344,263.36
  5. Step 5: Solve for x
    x = 3,539,344,263.36/97,959.20
  6. Step 6: Final answer
    x = 36,130.80

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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.