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Finding the Fourth Proportional to 92,000.72, 126,960.36 and 52,256.72

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Solution

The fourth proportional to 92,000.72, 126,960.36 and 52,256.72 is: 72,113.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,000.72 : 126,960.36 = 52,256.72 : x
  2. Step 2: Convert to fraction form
    92,000.72/126,960.36 = 52,256.72/x
  3. Step 3: Cross multiply
    92,000.72x = 126,960.36 × 52,256.72
  4. Step 4: Simplify right side
    92,000.72x = 6,634,531,983.62
  5. Step 5: Solve for x
    x = 6,634,531,983.62/92,000.72
  6. Step 6: Final answer
    x = 72,113.91

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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.