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Finding the Fourth Proportional to 92,454.74, 127,547 and 54,194.88

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Solution

The fourth proportional to 92,454.74, 127,547 and 54,194.88 is: 74,765.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,454.74 : 127,547 = 54,194.88 : x
  2. Step 2: Convert to fraction form
    92,454.74/127,547 = 54,194.88/x
  3. Step 3: Cross multiply
    92,454.74x = 127,547 × 54,194.88
  4. Step 4: Simplify right side
    92,454.74x = 6,912,394,359.36
  5. Step 5: Solve for x
    x = 6,912,394,359.36/92,454.74
  6. Step 6: Final answer
    x = 74,765.17

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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.