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Finding the Fourth Proportional to 127,488.54, 175,926.96 and 70,898.70

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Solution

The fourth proportional to 127,488.54, 175,926.96 and 70,898.70 is: 97,836.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,488.54 : 175,926.96 = 70,898.70 : x
  2. Step 2: Convert to fraction form
    127,488.54/175,926.96 = 70,898.70/x
  3. Step 3: Cross multiply
    127,488.54x = 175,926.96 × 70,898.70
  4. Step 4: Simplify right side
    127,488.54x = 12,472,992,758.95
  5. Step 5: Solve for x
    x = 12,472,992,758.95/127,488.54
  6. Step 6: Final answer
    x = 97,836.19

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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.