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Finding the Fourth Proportional to 144,397.78, 216,542.74 and 49,601.06

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Solution

The fourth proportional to 144,397.78, 216,542.74 and 49,601.06 is: 74,383.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,397.78 : 216,542.74 = 49,601.06 : x
  2. Step 2: Convert to fraction form
    144,397.78/216,542.74 = 49,601.06/x
  3. Step 3: Cross multiply
    144,397.78x = 216,542.74 × 49,601.06
  4. Step 4: Simplify right side
    144,397.78x = 10,740,749,439.30
  5. Step 5: Solve for x
    x = 10,740,749,439.30/144,397.78
  6. Step 6: Final answer
    x = 74,383.06

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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.