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Finding the Fourth Proportional to 92,023.72, 126,992.10 and 52,279.72

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Solution

The fourth proportional to 92,023.72, 126,992.10 and 52,279.72 is: 72,145.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,023.72 : 126,992.10 = 52,279.72 : x
  2. Step 2: Convert to fraction form
    92,023.72/126,992.10 = 52,279.72/x
  3. Step 3: Cross multiply
    92,023.72x = 126,992.10 × 52,279.72
  4. Step 4: Simplify right side
    92,023.72x = 6,639,111,430.21
  5. Step 5: Solve for x
    x = 6,639,111,430.21/92,023.72
  6. Step 6: Final answer
    x = 72,145.65

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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.