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Finding the Fourth Proportional to 172,830.44, 258,797.02 and 148,030.12

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Solution

The fourth proportional to 172,830.44, 258,797.02 and 148,030.12 is: 221,660.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,830.44 : 258,797.02 = 148,030.12 : x
  2. Step 2: Convert to fraction form
    172,830.44/258,797.02 = 148,030.12/x
  3. Step 3: Cross multiply
    172,830.44x = 258,797.02 × 148,030.12
  4. Step 4: Simplify right side
    172,830.44x = 38,309,753,926.24
  5. Step 5: Solve for x
    x = 38,309,753,926.24/172,830.44
  6. Step 6: Final answer
    x = 221,660.92

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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.