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Finding the Fourth Proportional to 144,268.92, 216,383.13 and 49,497.54

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Solution

The fourth proportional to 144,268.92, 216,383.13 and 49,497.54 is: 74,239.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,268.92 : 216,383.13 = 49,497.54 : x
  2. Step 2: Convert to fraction form
    144,268.92/216,383.13 = 49,497.54/x
  3. Step 3: Cross multiply
    144,268.92x = 216,383.13 × 49,497.54
  4. Step 4: Simplify right side
    144,268.92x = 10,710,432,632.50
  5. Step 5: Solve for x
    x = 10,710,432,632.50/144,268.92
  6. Step 6: Final answer
    x = 74,239.36

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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.