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Finding the Fourth Proportional to 144,399.54, 216,545.37 and 49,602.81

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Solution

The fourth proportional to 144,399.54, 216,545.37 and 49,602.81 is: 74,385.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,399.54 : 216,545.37 = 49,602.81 : x
  2. Step 2: Convert to fraction form
    144,399.54/216,545.37 = 49,602.81/x
  3. Step 3: Cross multiply
    144,399.54x = 216,545.37 × 49,602.81
  4. Step 4: Simplify right side
    144,399.54x = 10,741,258,844.49
  5. Step 5: Solve for x
    x = 10,741,258,844.49/144,399.54
  6. Step 6: Final answer
    x = 74,385.69

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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.