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Finding the Fourth Proportional to 101,029.90, 151,348.02 and 61,488.94

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Solution

The fourth proportional to 101,029.90, 151,348.02 and 61,488.94 is: 92,113.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,029.90 : 151,348.02 = 61,488.94 : x
  2. Step 2: Convert to fraction form
    101,029.90/151,348.02 = 61,488.94/x
  3. Step 3: Cross multiply
    101,029.90x = 151,348.02 × 61,488.94
  4. Step 4: Simplify right side
    101,029.90x = 9,306,229,320.90
  5. Step 5: Solve for x
    x = 9,306,229,320.90/101,029.90
  6. Step 6: Final answer
    x = 92,113.62

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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.