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Finding the Fourth Proportional to 92,144.47, 127,165.80 and 51,862.09

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Solution

The fourth proportional to 92,144.47, 127,165.80 and 51,862.09 is: 71,573.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,144.47 : 127,165.80 = 51,862.09 : x
  2. Step 2: Convert to fraction form
    92,144.47/127,165.80 = 51,862.09/x
  3. Step 3: Cross multiply
    92,144.47x = 127,165.80 × 51,862.09
  4. Step 4: Simplify right side
    92,144.47x = 6,595,084,164.52
  5. Step 5: Solve for x
    x = 6,595,084,164.52/92,144.47
  6. Step 6: Final answer
    x = 71,573.30

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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.