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Finding the Fourth Proportional to 144,772.20, 217,150.20 and 44,931.60

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Solution

The fourth proportional to 144,772.20, 217,150.20 and 44,931.60 is: 67,394.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,772.20 : 217,150.20 = 44,931.60 : x
  2. Step 2: Convert to fraction form
    144,772.20/217,150.20 = 44,931.60/x
  3. Step 3: Cross multiply
    144,772.20x = 217,150.20 × 44,931.60
  4. Step 4: Simplify right side
    144,772.20x = 9,756,905,926.32
  5. Step 5: Solve for x
    x = 9,756,905,926.32/144,772.20
  6. Step 6: Final answer
    x = 67,394.89

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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.