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Finding the Fourth Proportional to 92,242.32, 127,250.89 and 53,978.18

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Solution

The fourth proportional to 92,242.32, 127,250.89 and 53,978.18 is: 74,464.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,242.32 : 127,250.89 = 53,978.18 : x
  2. Step 2: Convert to fraction form
    92,242.32/127,250.89 = 53,978.18/x
  3. Step 3: Cross multiply
    92,242.32x = 127,250.89 × 53,978.18
  4. Step 4: Simplify right side
    92,242.32x = 6,868,771,445.58
  5. Step 5: Solve for x
    x = 6,868,771,445.58/92,242.32
  6. Step 6: Final answer
    x = 74,464.43

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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.