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Finding the Fourth Proportional to 127,095.71, 175,386.15 and 69,733.73

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Solution

The fourth proportional to 127,095.71, 175,386.15 and 69,733.73 is: 96,229.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,095.71 : 175,386.15 = 69,733.73 : x
  2. Step 2: Convert to fraction form
    127,095.71/175,386.15 = 69,733.73/x
  3. Step 3: Cross multiply
    127,095.71x = 175,386.15 × 69,733.73
  4. Step 4: Simplify right side
    127,095.71x = 12,230,330,868.30
  5. Step 5: Solve for x
    x = 12,230,330,868.30/127,095.71
  6. Step 6: Final answer
    x = 96,229.30

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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.