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Finding the Fourth Proportional to 144,607.40, 216,921.20 and 44,754.45

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Solution

The fourth proportional to 144,607.40, 216,921.20 and 44,754.45 is: 67,134.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,607.40 : 216,921.20 = 44,754.45 : x
  2. Step 2: Convert to fraction form
    144,607.40/216,921.20 = 44,754.45/x
  3. Step 3: Cross multiply
    144,607.40x = 216,921.20 × 44,754.45
  4. Step 4: Simplify right side
    144,607.40x = 9,708,188,775.57
  5. Step 5: Solve for x
    x = 9,708,188,775.57/144,607.40
  6. Step 6: Final answer
    x = 67,134.80

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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.