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Finding the Fourth Proportional to 144,395.73, 216,510.48 and 55,637.82

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Solution

The fourth proportional to 144,395.73, 216,510.48 and 55,637.82 is: 83,424.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,395.73 : 216,510.48 = 55,637.82 : x
  2. Step 2: Convert to fraction form
    144,395.73/216,510.48 = 55,637.82/x
  3. Step 3: Cross multiply
    144,395.73x = 216,510.48 × 55,637.82
  4. Step 4: Simplify right side
    144,395.73x = 12,046,171,114.35
  5. Step 5: Solve for x
    x = 12,046,171,114.35/144,395.73
  6. Step 6: Final answer
    x = 83,424.70

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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.