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Finding the Fourth Proportional to 92,551.12, 127,723.14 and 52,270.90

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Solution

The fourth proportional to 92,551.12, 127,723.14 and 52,270.90 is: 72,135.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,551.12 : 127,723.14 = 52,270.90 : x
  2. Step 2: Convert to fraction form
    92,551.12/127,723.14 = 52,270.90/x
  3. Step 3: Cross multiply
    92,551.12x = 127,723.14 × 52,270.90
  4. Step 4: Simplify right side
    92,551.12x = 6,676,203,478.63
  5. Step 5: Solve for x
    x = 6,676,203,478.63/92,551.12
  6. Step 6: Final answer
    x = 72,135.31

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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.