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Finding the Fourth Proportional to 127,111.32, 175,410.28 and 69,750.46

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Solution

The fourth proportional to 127,111.32, 175,410.28 and 69,750.46 is: 96,253.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,111.32 : 175,410.28 = 69,750.46 : x
  2. Step 2: Convert to fraction form
    127,111.32/175,410.28 = 69,750.46/x
  3. Step 3: Cross multiply
    127,111.32x = 175,410.28 × 69,750.46
  4. Step 4: Simplify right side
    127,111.32x = 12,234,947,718.73
  5. Step 5: Solve for x
    x = 12,234,947,718.73/127,111.32
  6. Step 6: Final answer
    x = 96,253.80

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.