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Finding the Fourth Proportional to 135,752.78, 203,547.35 and 60,859.38

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Solution

The fourth proportional to 135,752.78, 203,547.35 and 60,859.38 is: 91,252.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,752.78 : 203,547.35 = 60,859.38 : x
  2. Step 2: Convert to fraction form
    135,752.78/203,547.35 = 60,859.38/x
  3. Step 3: Cross multiply
    135,752.78x = 203,547.35 × 60,859.38
  4. Step 4: Simplify right side
    135,752.78x = 12,387,764,656.05
  5. Step 5: Solve for x
    x = 12,387,764,656.05/135,752.78
  6. Step 6: Final answer
    x = 91,252.39

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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.