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Finding the Fourth Proportional to 101,641.11, 152,601.32 and 51,754.73

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Solution

The fourth proportional to 101,641.11, 152,601.32 and 51,754.73 is: 77,703.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,641.11 : 152,601.32 = 51,754.73 : x
  2. Step 2: Convert to fraction form
    101,641.11/152,601.32 = 51,754.73/x
  3. Step 3: Cross multiply
    101,641.11x = 152,601.32 × 51,754.73
  4. Step 4: Simplify right side
    101,641.11x = 7,897,840,114.24
  5. Step 5: Solve for x
    x = 7,897,840,114.24/101,641.11
  6. Step 6: Final answer
    x = 77,703.21

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1.5x scale

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.