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Finding the Fourth Proportional to 240,641.72, 332,088.48 and 133,221.68

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Solution

The fourth proportional to 240,641.72, 332,088.48 and 133,221.68 is: 183,847.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,641.72 : 332,088.48 = 133,221.68 : x
  2. Step 2: Convert to fraction form
    240,641.72/332,088.48 = 133,221.68/x
  3. Step 3: Cross multiply
    240,641.72x = 332,088.48 × 133,221.68
  4. Step 4: Simplify right side
    240,641.72x = 44,241,385,214.25
  5. Step 5: Solve for x
    x = 44,241,385,214.25/240,641.72
  6. Step 6: Final answer
    x = 183,847.53

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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.