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Finding the Fourth Proportional to 92,693.05, 127,922.96 and 52,407.20

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Solution

The fourth proportional to 92,693.05, 127,922.96 and 52,407.20 is: 72,325.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,693.05 : 127,922.96 = 52,407.20 : x
  2. Step 2: Convert to fraction form
    92,693.05/127,922.96 = 52,407.20/x
  3. Step 3: Cross multiply
    92,693.05x = 127,922.96 × 52,407.20
  4. Step 4: Simplify right side
    92,693.05x = 6,704,084,600.14
  5. Step 5: Solve for x
    x = 6,704,084,600.14/92,693.05
  6. Step 6: Final answer
    x = 72,325.65

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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.