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Finding the Fourth Proportional to 150,671.49, 225,999.90 and 55,920.12

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Solution

The fourth proportional to 150,671.49, 225,999.90 and 55,920.12 is: 83,877.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,671.49 : 225,999.90 = 55,920.12 : x
  2. Step 2: Convert to fraction form
    150,671.49/225,999.90 = 55,920.12/x
  3. Step 3: Cross multiply
    150,671.49x = 225,999.90 × 55,920.12
  4. Step 4: Simplify right side
    150,671.49x = 12,637,941,527.99
  5. Step 5: Solve for x
    x = 12,637,941,527.99/150,671.49
  6. Step 6: Final answer
    x = 83,877.46

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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.