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Finding the Fourth Proportional to 127,262.44, 175,810.80 and 83,757.57

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Solution

The fourth proportional to 127,262.44, 175,810.80 and 83,757.57 is: 115,709.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,262.44 : 175,810.80 = 83,757.57 : x
  2. Step 2: Convert to fraction form
    127,262.44/175,810.80 = 83,757.57/x
  3. Step 3: Cross multiply
    127,262.44x = 175,810.80 × 83,757.57
  4. Step 4: Simplify right side
    127,262.44x = 14,725,485,387.76
  5. Step 5: Solve for x
    x = 14,725,485,387.76/127,262.44
  6. Step 6: Final answer
    x = 115,709.59

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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.