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Finding the Fourth Proportional to 92,479.68, 127,621.44 and 52,191.36

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Solution

The fourth proportional to 92,479.68, 127,621.44 and 52,191.36 is: 72,023.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,479.68 : 127,621.44 = 52,191.36 : x
  2. Step 2: Convert to fraction form
    92,479.68/127,621.44 = 52,191.36/x
  3. Step 3: Cross multiply
    92,479.68x = 127,621.44 × 52,191.36
  4. Step 4: Simplify right side
    92,479.68x = 6,660,736,518.76
  5. Step 5: Solve for x
    x = 6,660,736,518.76/92,479.68
  6. Step 6: Final answer
    x = 72,023.78

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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.