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Finding the Fourth Proportional to 90,052.86, 135,079.29 and 23,492.82

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Solution

The fourth proportional to 90,052.86, 135,079.29 and 23,492.82 is: 35,239.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,052.86 : 135,079.29 = 23,492.82 : x
  2. Step 2: Convert to fraction form
    90,052.86/135,079.29 = 23,492.82/x
  3. Step 3: Cross multiply
    90,052.86x = 135,079.29 × 23,492.82
  4. Step 4: Simplify right side
    90,052.86x = 3,173,393,445.70
  5. Step 5: Solve for x
    x = 3,173,393,445.70/90,052.86
  6. Step 6: Final answer
    x = 35,239.23

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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.