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Finding the Fourth Proportional to 101,029.65, 151,347.65 and 61,488.69

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Solution

The fourth proportional to 101,029.65, 151,347.65 and 61,488.69 is: 92,113.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,029.65 : 151,347.65 = 61,488.69 : x
  2. Step 2: Convert to fraction form
    101,029.65/151,347.65 = 61,488.69/x
  3. Step 3: Cross multiply
    101,029.65x = 151,347.65 × 61,488.69
  4. Step 4: Simplify right side
    101,029.65x = 9,306,168,425.64
  5. Step 5: Solve for x
    x = 9,306,168,425.64/101,029.65
  6. Step 6: Final answer
    x = 92,113.24

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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.