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Finding the Fourth Proportional to 127,262.92, 175,594.98 and 76,960.84

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Solution

The fourth proportional to 127,262.92, 175,594.98 and 76,960.84 is: 106,189.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,262.92 : 175,594.98 = 76,960.84 : x
  2. Step 2: Convert to fraction form
    127,262.92/175,594.98 = 76,960.84/x
  3. Step 3: Cross multiply
    127,262.92x = 175,594.98 × 76,960.84
  4. Step 4: Simplify right side
    127,262.92x = 13,513,937,160.58
  5. Step 5: Solve for x
    x = 13,513,937,160.58/127,262.92
  6. Step 6: Final answer
    x = 106,189.12

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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.