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Finding the Fourth Proportional to 60,183.54, 90,274.77 and 42,340.86

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Solution

The fourth proportional to 60,183.54, 90,274.77 and 42,340.86 is: 63,510.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,183.54 : 90,274.77 = 42,340.86 : x
  2. Step 2: Convert to fraction form
    60,183.54/90,274.77 = 42,340.86/x
  3. Step 3: Cross multiply
    60,183.54x = 90,274.77 × 42,340.86
  4. Step 4: Simplify right side
    60,183.54x = 3,822,311,398.10
  5. Step 5: Solve for x
    x = 3,822,311,398.10/60,183.54
  6. Step 6: Final answer
    x = 63,510.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.