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Finding the Fourth Proportional to 249,000, 373,503.24 and 82,788

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Solution

The fourth proportional to 249,000, 373,503.24 and 82,788 is: 124,183.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,000 : 373,503.24 = 82,788 : x
  2. Step 2: Convert to fraction form
    249,000/373,503.24 = 82,788/x
  3. Step 3: Cross multiply
    249,000x = 373,503.24 × 82,788
  4. Step 4: Simplify right side
    249,000x = 30,921,586,233.12
  5. Step 5: Solve for x
    x = 30,921,586,233.12/249,000
  6. Step 6: Final answer
    x = 124,183.08

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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.