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Finding the Fourth Proportional to 113,850, 157,111.06 and 62,861.46

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Solution

The fourth proportional to 113,850, 157,111.06 and 62,861.46 is: 86,747.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,850 : 157,111.06 = 62,861.46 : x
  2. Step 2: Convert to fraction form
    113,850/157,111.06 = 62,861.46/x
  3. Step 3: Cross multiply
    113,850x = 157,111.06 × 62,861.46
  4. Step 4: Simplify right side
    113,850x = 9,876,230,299.44
  5. Step 5: Solve for x
    x = 9,876,230,299.44/113,850
  6. Step 6: Final answer
    x = 86,747.74

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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.