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Finding the Fourth Proportional to 172,750.68, 238,393.80 and 101,167.92

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Solution

The fourth proportional to 172,750.68, 238,393.80 and 101,167.92 is: 139,610.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,750.68 : 238,393.80 = 101,167.92 : x
  2. Step 2: Convert to fraction form
    172,750.68/238,393.80 = 101,167.92/x
  3. Step 3: Cross multiply
    172,750.68x = 238,393.80 × 101,167.92
  4. Step 4: Simplify right side
    172,750.68x = 24,117,804,886.90
  5. Step 5: Solve for x
    x = 24,117,804,886.90/172,750.68
  6. Step 6: Final answer
    x = 139,610.48

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1.5x scale

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.