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Finding the Fourth Proportional to 240,800.34, 332,307.99 and 138,824.04

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Solution

The fourth proportional to 240,800.34, 332,307.99 and 138,824.04 is: 191,579.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,800.34 : 332,307.99 = 138,824.04 : x
  2. Step 2: Convert to fraction form
    240,800.34/332,307.99 = 138,824.04/x
  3. Step 3: Cross multiply
    240,800.34x = 332,307.99 × 138,824.04
  4. Step 4: Simplify right side
    240,800.34x = 46,132,337,696.08
  5. Step 5: Solve for x
    x = 46,132,337,696.08/240,800.34
  6. Step 6: Final answer
    x = 191,579.20

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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.