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Finding the Fourth Proportional to 92,019.60, 138,045.60 and 32,889.60

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Solution

The fourth proportional to 92,019.60, 138,045.60 and 32,889.60 is: 49,340.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,019.60 : 138,045.60 = 32,889.60 : x
  2. Step 2: Convert to fraction form
    92,019.60/138,045.60 = 32,889.60/x
  3. Step 3: Cross multiply
    92,019.60x = 138,045.60 × 32,889.60
  4. Step 4: Simplify right side
    92,019.60x = 4,540,264,565.76
  5. Step 5: Solve for x
    x = 4,540,264,565.76/92,019.60
  6. Step 6: Final answer
    x = 49,340.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.