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Finding the Fourth Proportional to 155,220.86, 232,824.80 and 44,412.86

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Solution

The fourth proportional to 155,220.86, 232,824.80 and 44,412.86 is: 66,617.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,220.86 : 232,824.80 = 44,412.86 : x
  2. Step 2: Convert to fraction form
    155,220.86/232,824.80 = 44,412.86/x
  3. Step 3: Cross multiply
    155,220.86x = 232,824.80 × 44,412.86
  4. Step 4: Simplify right side
    155,220.86x = 10,340,414,193.84
  5. Step 5: Solve for x
    x = 10,340,414,193.84/155,220.86
  6. Step 6: Final answer
    x = 66,617.43

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1.5x scale

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.