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Finding the Fourth Proportional to 163,060.56, 225,025.87 and 98,520.81

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Solution

The fourth proportional to 163,060.56, 225,025.87 and 98,520.81 is: 135,960.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,060.56 : 225,025.87 = 98,520.81 : x
  2. Step 2: Convert to fraction form
    163,060.56/225,025.87 = 98,520.81/x
  3. Step 3: Cross multiply
    163,060.56x = 225,025.87 × 98,520.81
  4. Step 4: Simplify right side
    163,060.56x = 22,169,730,983.35
  5. Step 5: Solve for x
    x = 22,169,730,983.35/163,060.56
  6. Step 6: Final answer
    x = 135,960.11

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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.