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Finding the Fourth Proportional to 249,115.80, 373,600.80 and 89,173.20

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Solution

The fourth proportional to 249,115.80, 373,600.80 and 89,173.20 is: 133,733.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,115.80 : 373,600.80 = 89,173.20 : x
  2. Step 2: Convert to fraction form
    249,115.80/373,600.80 = 89,173.20/x
  3. Step 3: Cross multiply
    249,115.80x = 373,600.80 × 89,173.20
  4. Step 4: Simplify right side
    249,115.80x = 33,315,178,858.56
  5. Step 5: Solve for x
    x = 33,315,178,858.56/249,115.80
  6. Step 6: Final answer
    x = 133,733.70

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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.