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Finding the Fourth Proportional to 179,578.64, 247,808.56 and 103,092.68

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Solution

The fourth proportional to 179,578.64, 247,808.56 and 103,092.68 is: 142,262.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,578.64 : 247,808.56 = 103,092.68 : x
  2. Step 2: Convert to fraction form
    179,578.64/247,808.56 = 103,092.68/x
  3. Step 3: Cross multiply
    179,578.64x = 247,808.56 × 103,092.68
  4. Step 4: Simplify right side
    179,578.64x = 25,547,248,939.13
  5. Step 5: Solve for x
    x = 25,547,248,939.13/179,578.64
  6. Step 6: Final answer
    x = 142,262.18

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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.