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Finding the Fourth Proportional to 310,281.81, 465,145.68 and 132,697.41

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Solution

The fourth proportional to 310,281.81, 465,145.68 and 132,697.41 is: 198,927.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,281.81 : 465,145.68 = 132,697.41 : x
  2. Step 2: Convert to fraction form
    310,281.81/465,145.68 = 132,697.41/x
  3. Step 3: Cross multiply
    310,281.81x = 465,145.68 × 132,697.41
  4. Step 4: Simplify right side
    310,281.81x = 61,723,627,008.69
  5. Step 5: Solve for x
    x = 61,723,627,008.69/310,281.81
  6. Step 6: Final answer
    x = 198,927.64

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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.