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Finding the Fourth Proportional to 92,612.82, 127,799.35 and 52,328.28

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Solution

The fourth proportional to 92,612.82, 127,799.35 and 52,328.28 is: 72,209.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,612.82 : 127,799.35 = 52,328.28 : x
  2. Step 2: Convert to fraction form
    92,612.82/127,799.35 = 52,328.28/x
  3. Step 3: Cross multiply
    92,612.82x = 127,799.35 × 52,328.28
  4. Step 4: Simplify right side
    92,612.82x = 6,687,520,170.62
  5. Step 5: Solve for x
    x = 6,687,520,170.62/92,612.82
  6. Step 6: Final answer
    x = 72,209.44

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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.