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Finding the Fourth Proportional to 101,846.39, 140,564.88 and 59,404.91

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Solution

The fourth proportional to 101,846.39, 140,564.88 and 59,404.91 is: 81,988.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,846.39 : 140,564.88 = 59,404.91 : x
  2. Step 2: Convert to fraction form
    101,846.39/140,564.88 = 59,404.91/x
  3. Step 3: Cross multiply
    101,846.39x = 140,564.88 × 59,404.91
  4. Step 4: Simplify right side
    101,846.39x = 8,350,243,342.74
  5. Step 5: Solve for x
    x = 8,350,243,342.74/101,846.39
  6. Step 6: Final answer
    x = 81,988.61

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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.