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Finding the Fourth Proportional to 240,756.48, 332,154.72 and 155,920.32

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Solution

The fourth proportional to 240,756.48, 332,154.72 and 155,920.32 is: 215,112.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,756.48 : 332,154.72 = 155,920.32 : x
  2. Step 2: Convert to fraction form
    240,756.48/332,154.72 = 155,920.32/x
  3. Step 3: Cross multiply
    240,756.48x = 332,154.72 × 155,920.32
  4. Step 4: Simplify right side
    240,756.48x = 51,789,670,231.91
  5. Step 5: Solve for x
    x = 51,789,670,231.91/240,756.48
  6. Step 6: Final answer
    x = 215,112.26

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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.