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Finding the Fourth Proportional to 147,625.57, 221,439.42 and 63,314.60

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Solution

The fourth proportional to 147,625.57, 221,439.42 and 63,314.60 is: 94,972.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,625.57 : 221,439.42 = 63,314.60 : x
  2. Step 2: Convert to fraction form
    147,625.57/221,439.42 = 63,314.60/x
  3. Step 3: Cross multiply
    147,625.57x = 221,439.42 × 63,314.60
  4. Step 4: Simplify right side
    147,625.57x = 14,020,347,194.33
  5. Step 5: Solve for x
    x = 14,020,347,194.33/147,625.57
  6. Step 6: Final answer
    x = 94,972.35

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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.