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Finding the Fourth Proportional to 148,332.80, 222,400.80 and 81,804.80

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Solution

The fourth proportional to 148,332.80, 222,400.80 and 81,804.80 is: 122,652.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,332.80 : 222,400.80 = 81,804.80 : x
  2. Step 2: Convert to fraction form
    148,332.80/222,400.80 = 81,804.80/x
  3. Step 3: Cross multiply
    148,332.80x = 222,400.80 × 81,804.80
  4. Step 4: Simplify right side
    148,332.80x = 18,193,452,963.84
  5. Step 5: Solve for x
    x = 18,193,452,963.84/148,332.80
  6. Step 6: Final answer
    x = 122,652.93

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1.5x scale

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.