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Finding the Fourth Proportional to 113,793.56, 157,035.12 and 63,492.56

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Solution

The fourth proportional to 113,793.56, 157,035.12 and 63,492.56 is: 87,619.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,793.56 : 157,035.12 = 63,492.56 : x
  2. Step 2: Convert to fraction form
    113,793.56/157,035.12 = 63,492.56/x
  3. Step 3: Cross multiply
    113,793.56x = 157,035.12 × 63,492.56
  4. Step 4: Simplify right side
    113,793.56x = 9,970,561,778.71
  5. Step 5: Solve for x
    x = 9,970,561,778.71/113,793.56
  6. Step 6: Final answer
    x = 87,619.74

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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.