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Finding the Fourth Proportional to 148,030.88, 204,287.49 and 80,962.88

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Solution

The fourth proportional to 148,030.88, 204,287.49 and 80,962.88 is: 111,731.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,030.88 : 204,287.49 = 80,962.88 : x
  2. Step 2: Convert to fraction form
    148,030.88/204,287.49 = 80,962.88/x
  3. Step 3: Cross multiply
    148,030.88x = 204,287.49 × 80,962.88
  4. Step 4: Simplify right side
    148,030.88x = 16,539,702,516.93
  5. Step 5: Solve for x
    x = 16,539,702,516.93/148,030.88
  6. Step 6: Final answer
    x = 111,731.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.