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Finding the Fourth Proportional to 101,641.11, 152,601.33 and 51,754.74

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Solution

The fourth proportional to 101,641.11, 152,601.33 and 51,754.74 is: 77,703.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,641.11 : 152,601.33 = 51,754.74 : x
  2. Step 2: Convert to fraction form
    101,641.11/152,601.33 = 51,754.74/x
  3. Step 3: Cross multiply
    101,641.11x = 152,601.33 × 51,754.74
  4. Step 4: Simplify right side
    101,641.11x = 7,897,842,157.80
  5. Step 5: Solve for x
    x = 7,897,842,157.80/101,641.11
  6. Step 6: Final answer
    x = 77,703.23

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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.