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Finding the Fourth Proportional to 127,298.53, 175,674.75 and 69,938.59

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Solution

The fourth proportional to 127,298.53, 175,674.75 and 69,938.59 is: 96,516.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,298.53 : 175,674.75 = 69,938.59 : x
  2. Step 2: Convert to fraction form
    127,298.53/175,674.75 = 69,938.59/x
  3. Step 3: Cross multiply
    127,298.53x = 175,674.75 × 69,938.59
  4. Step 4: Simplify right side
    127,298.53x = 12,286,443,435.23
  5. Step 5: Solve for x
    x = 12,286,443,435.23/127,298.53
  6. Step 6: Final answer
    x = 96,516.78

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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.