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Finding the Fourth Proportional to 181,465.68, 250,436.66 and 108,871.30

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Solution

The fourth proportional to 181,465.68, 250,436.66 and 108,871.30 is: 150,250.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,465.68 : 250,436.66 = 108,871.30 : x
  2. Step 2: Convert to fraction form
    181,465.68/250,436.66 = 108,871.30/x
  3. Step 3: Cross multiply
    181,465.68x = 250,436.66 × 108,871.30
  4. Step 4: Simplify right side
    181,465.68x = 27,265,364,741.86
  5. Step 5: Solve for x
    x = 27,265,364,741.86/181,465.68
  6. Step 6: Final answer
    x = 150,250.81

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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.