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Finding the Fourth Proportional to 148,497.80, 222,746.70 and 130,418.60

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Solution

The fourth proportional to 148,497.80, 222,746.70 and 130,418.60 is: 195,627.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,497.80 : 222,746.70 = 130,418.60 : x
  2. Step 2: Convert to fraction form
    148,497.80/222,746.70 = 130,418.60/x
  3. Step 3: Cross multiply
    148,497.80x = 222,746.70 × 130,418.60
  4. Step 4: Simplify right side
    148,497.80x = 29,050,312,768.62
  5. Step 5: Solve for x
    x = 29,050,312,768.62/148,497.80
  6. Step 6: Final answer
    x = 195,627.90

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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.