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Finding the Fourth Proportional to 174,138.76, 240,366.18 and 98,737.48

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Solution

The fourth proportional to 174,138.76, 240,366.18 and 98,737.48 is: 136,288.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,138.76 : 240,366.18 = 98,737.48 : x
  2. Step 2: Convert to fraction form
    174,138.76/240,366.18 = 98,737.48/x
  3. Step 3: Cross multiply
    174,138.76x = 240,366.18 × 98,737.48
  4. Step 4: Simplify right side
    174,138.76x = 23,733,150,890.43
  5. Step 5: Solve for x
    x = 23,733,150,890.43/174,138.76
  6. Step 6: Final answer
    x = 136,288.73

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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.