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Finding the Fourth Proportional to 73,233.94, 100,987.40 and 62,658.58

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Solution

The fourth proportional to 73,233.94, 100,987.40 and 62,658.58 is: 86,404.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,233.94 : 100,987.40 = 62,658.58 : x
  2. Step 2: Convert to fraction form
    73,233.94/100,987.40 = 62,658.58/x
  3. Step 3: Cross multiply
    73,233.94x = 100,987.40 × 62,658.58
  4. Step 4: Simplify right side
    73,233.94x = 6,327,727,081.89
  5. Step 5: Solve for x
    x = 6,327,727,081.89/73,233.94
  6. Step 6: Final answer
    x = 86,404.30

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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.