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Finding the Fourth Proportional to 73,179.52, 100,987.20 and 41,347.84

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Solution

The fourth proportional to 73,179.52, 100,987.20 and 41,347.84 is: 57,059.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,179.52 : 100,987.20 = 41,347.84 : x
  2. Step 2: Convert to fraction form
    73,179.52/100,987.20 = 41,347.84/x
  3. Step 3: Cross multiply
    73,179.52x = 100,987.20 × 41,347.84
  4. Step 4: Simplify right side
    73,179.52x = 4,175,602,587.65
  5. Step 5: Solve for x
    x = 4,175,602,587.65/73,179.52
  6. Step 6: Final answer
    x = 57,059.72

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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.