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Finding the Fourth Proportional to 92,101.12, 127,099.74 and 54,377.80

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Solution

The fourth proportional to 92,101.12, 127,099.74 and 54,377.80 is: 75,041.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,101.12 : 127,099.74 = 54,377.80 : x
  2. Step 2: Convert to fraction form
    92,101.12/127,099.74 = 54,377.80/x
  3. Step 3: Cross multiply
    92,101.12x = 127,099.74 × 54,377.80
  4. Step 4: Simplify right side
    92,101.12x = 6,911,404,241.77
  5. Step 5: Solve for x
    x = 6,911,404,241.77/92,101.12
  6. Step 6: Final answer
    x = 75,041.48

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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.