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Finding the Fourth Proportional to 145,616.94, 218,510.33 and 61,371.95

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Solution

The fourth proportional to 145,616.94, 218,510.33 and 61,371.95 is: 92,093.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,616.94 : 218,510.33 = 61,371.95 : x
  2. Step 2: Convert to fraction form
    145,616.94/218,510.33 = 61,371.95/x
  3. Step 3: Cross multiply
    145,616.94x = 218,510.33 × 61,371.95
  4. Step 4: Simplify right side
    145,616.94x = 13,410,403,647.83
  5. Step 5: Solve for x
    x = 13,410,403,647.83/145,616.94
  6. Step 6: Final answer
    x = 92,093.71

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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.