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Finding the Fourth Proportional to 171,497.64, 236,675.56 and 103,513.68

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Solution

The fourth proportional to 171,497.64, 236,675.56 and 103,513.68 is: 142,854.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,497.64 : 236,675.56 = 103,513.68 : x
  2. Step 2: Convert to fraction form
    171,497.64/236,675.56 = 103,513.68/x
  3. Step 3: Cross multiply
    171,497.64x = 236,675.56 × 103,513.68
  4. Step 4: Simplify right side
    171,497.64x = 24,499,158,181.66
  5. Step 5: Solve for x
    x = 24,499,158,181.66/171,497.64
  6. Step 6: Final answer
    x = 142,854.20

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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.