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Finding the Fourth Proportional to 144,594.74, 216,885.72 and 39,413.71

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Solution

The fourth proportional to 144,594.74, 216,885.72 and 39,413.71 is: 59,118.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,594.74 : 216,885.72 = 39,413.71 : x
  2. Step 2: Convert to fraction form
    144,594.74/216,885.72 = 39,413.71/x
  3. Step 3: Cross multiply
    144,594.74x = 216,885.72 × 39,413.71
  4. Step 4: Simplify right side
    144,594.74x = 8,548,270,329.01
  5. Step 5: Solve for x
    x = 8,548,270,329.01/144,594.74
  6. Step 6: Final answer
    x = 59,118.82

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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.