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Finding the Fourth Proportional to 250,487.64, 375,722.19 and 108,368.69

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Solution

The fourth proportional to 250,487.64, 375,722.19 and 108,368.69 is: 162,549.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,487.64 : 375,722.19 = 108,368.69 : x
  2. Step 2: Convert to fraction form
    250,487.64/375,722.19 = 108,368.69/x
  3. Step 3: Cross multiply
    250,487.64x = 375,722.19 × 108,368.69
  4. Step 4: Simplify right side
    250,487.64x = 40,716,519,655.62
  5. Step 5: Solve for x
    x = 40,716,519,655.62/250,487.64
  6. Step 6: Final answer
    x = 162,549.02

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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.