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Finding the Fourth Proportional to 172,798.64, 238,463.28 and 96,322.68

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Solution

The fourth proportional to 172,798.64, 238,463.28 and 96,322.68 is: 132,925.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,798.64 : 238,463.28 = 96,322.68 : x
  2. Step 2: Convert to fraction form
    172,798.64/238,463.28 = 96,322.68/x
  3. Step 3: Cross multiply
    172,798.64x = 238,463.28 × 96,322.68
  4. Step 4: Simplify right side
    172,798.64x = 22,969,422,211.19
  5. Step 5: Solve for x
    x = 22,969,422,211.19/172,798.64
  6. Step 6: Final answer
    x = 132,925.95

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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.