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Finding the Fourth Proportional to 97,474.40, 146,053.20 and 88,143.20

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Solution

The fourth proportional to 97,474.40, 146,053.20 and 88,143.20 is: 132,071.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,474.40 : 146,053.20 = 88,143.20 : x
  2. Step 2: Convert to fraction form
    97,474.40/146,053.20 = 88,143.20/x
  3. Step 3: Cross multiply
    97,474.40x = 146,053.20 × 88,143.20
  4. Step 4: Simplify right side
    97,474.40x = 12,873,596,418.24
  5. Step 5: Solve for x
    x = 12,873,596,418.24/97,474.40
  6. Step 6: Final answer
    x = 132,071.56

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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.