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Finding the Fourth Proportional to 345,360.72, 518,023.80 and 96,044.88

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Solution

The fourth proportional to 345,360.72, 518,023.80 and 96,044.88 is: 144,062.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,360.72 : 518,023.80 = 96,044.88 : x
  2. Step 2: Convert to fraction form
    345,360.72/518,023.80 = 96,044.88/x
  3. Step 3: Cross multiply
    345,360.72x = 518,023.80 × 96,044.88
  4. Step 4: Simplify right side
    345,360.72x = 49,753,533,708.14
  5. Step 5: Solve for x
    x = 49,753,533,708.14/345,360.72
  6. Step 6: Final answer
    x = 144,062.51

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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.