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Finding the Fourth Proportional to 240,774.48, 332,179.56 and 155,938.32

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Solution

The fourth proportional to 240,774.48, 332,179.56 and 155,938.32 is: 215,137.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,774.48 : 332,179.56 = 155,938.32 : x
  2. Step 2: Convert to fraction form
    240,774.48/332,179.56 = 155,938.32/x
  3. Step 3: Cross multiply
    240,774.48x = 332,179.56 × 155,938.32
  4. Step 4: Simplify right side
    240,774.48x = 51,799,522,524.74
  5. Step 5: Solve for x
    x = 51,799,522,524.74/240,774.48
  6. Step 6: Final answer
    x = 215,137.10

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1.5x scale

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.