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Finding the Fourth Proportional to 101,644.60, 140,271.57 and 59,205.86

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Solution

The fourth proportional to 101,644.60, 140,271.57 and 59,205.86 is: 81,705.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,644.60 : 140,271.57 = 59,205.86 : x
  2. Step 2: Convert to fraction form
    101,644.60/140,271.57 = 59,205.86/x
  3. Step 3: Cross multiply
    101,644.60x = 140,271.57 × 59,205.86
  4. Step 4: Simplify right side
    101,644.60x = 8,304,899,332.76
  5. Step 5: Solve for x
    x = 8,304,899,332.76/101,644.60
  6. Step 6: Final answer
    x = 81,705.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.