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Finding the Fourth Proportional to 96,044.72, 143,886.84 and 36,840.20

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Solution

The fourth proportional to 96,044.72, 143,886.84 and 36,840.20 is: 55,191.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,044.72 : 143,886.84 = 36,840.20 : x
  2. Step 2: Convert to fraction form
    96,044.72/143,886.84 = 36,840.20/x
  3. Step 3: Cross multiply
    96,044.72x = 143,886.84 × 36,840.20
  4. Step 4: Simplify right side
    96,044.72x = 5,300,819,962.97
  5. Step 5: Solve for x
    x = 5,300,819,962.97/96,044.72
  6. Step 6: Final answer
    x = 55,191.16

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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.