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Finding the Fourth Proportional to 169,066.66, 253,616.92 and 62,478.60

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Solution

The fourth proportional to 169,066.66, 253,616.92 and 62,478.60 is: 93,724.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,066.66 : 253,616.92 = 62,478.60 : x
  2. Step 2: Convert to fraction form
    169,066.66/253,616.92 = 62,478.60/x
  3. Step 3: Cross multiply
    169,066.66x = 253,616.92 × 62,478.60
  4. Step 4: Simplify right side
    169,066.66x = 15,845,630,097.91
  5. Step 5: Solve for x
    x = 15,845,630,097.91/169,066.66
  6. Step 6: Final answer
    x = 93,724.16

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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.