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Finding the Fourth Proportional to 144,407.57, 216,531.35 and 59,078.36

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Solution

The fourth proportional to 144,407.57, 216,531.35 and 59,078.36 is: 88,584.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,407.57 : 216,531.35 = 59,078.36 : x
  2. Step 2: Convert to fraction form
    144,407.57/216,531.35 = 59,078.36/x
  3. Step 3: Cross multiply
    144,407.57x = 216,531.35 × 59,078.36
  4. Step 4: Simplify right side
    144,407.57x = 12,792,315,668.54
  5. Step 5: Solve for x
    x = 12,792,315,668.54/144,407.57
  6. Step 6: Final answer
    x = 88,584.80

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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.