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Finding the Fourth Proportional to 181,716.64, 250,756.42 and 113,730.76

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Solution

The fourth proportional to 181,716.64, 250,756.42 and 113,730.76 is: 156,940.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,716.64 : 250,756.42 = 113,730.76 : x
  2. Step 2: Convert to fraction form
    181,716.64/250,756.42 = 113,730.76/x
  3. Step 3: Cross multiply
    181,716.64x = 250,756.42 × 113,730.76
  4. Step 4: Simplify right side
    181,716.64x = 28,518,718,221.48
  5. Step 5: Solve for x
    x = 28,518,718,221.48/181,716.64
  6. Step 6: Final answer
    x = 156,940.60

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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.