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Finding the Fourth Proportional to 113,854.22, 157,163.12 and 101,896.79

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Solution

The fourth proportional to 113,854.22, 157,163.12 and 101,896.79 is: 140,657.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,854.22 : 157,163.12 = 101,896.79 : x
  2. Step 2: Convert to fraction form
    113,854.22/157,163.12 = 101,896.79/x
  3. Step 3: Cross multiply
    113,854.22x = 157,163.12 × 101,896.79
  4. Step 4: Simplify right side
    113,854.22x = 16,014,416,903.31
  5. Step 5: Solve for x
    x = 16,014,416,903.31/113,854.22
  6. Step 6: Final answer
    x = 140,657.22

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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.