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Finding the Fourth Proportional to 127,194.31, 175,528.45 and 69,837.33

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Solution

The fourth proportional to 127,194.31, 175,528.45 and 69,837.33 is: 96,375.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,194.31 : 175,528.45 = 69,837.33 : x
  2. Step 2: Convert to fraction form
    127,194.31/175,528.45 = 69,837.33/x
  3. Step 3: Cross multiply
    127,194.31x = 175,528.45 × 69,837.33
  4. Step 4: Simplify right side
    127,194.31x = 12,258,437,651.07
  5. Step 5: Solve for x
    x = 12,258,437,651.07/127,194.31
  6. Step 6: Final answer
    x = 96,375.68

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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.