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Finding the Fourth Proportional to 92,696.22, 127,915.65 and 52,407.42

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Solution

The fourth proportional to 92,696.22, 127,915.65 and 52,407.42 is: 72,319.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,696.22 : 127,915.65 = 52,407.42 : x
  2. Step 2: Convert to fraction form
    92,696.22/127,915.65 = 52,407.42/x
  3. Step 3: Cross multiply
    92,696.22x = 127,915.65 × 52,407.42
  4. Step 4: Simplify right side
    92,696.22x = 6,703,729,194.12
  5. Step 5: Solve for x
    x = 6,703,729,194.12/92,696.22
  6. Step 6: Final answer
    x = 72,319.34

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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.