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Finding the Fourth Proportional to 148,967.70, 223,451.55 and 147,930.90

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Solution

The fourth proportional to 148,967.70, 223,451.55 and 147,930.90 is: 221,896.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,967.70 : 223,451.55 = 147,930.90 : x
  2. Step 2: Convert to fraction form
    148,967.70/223,451.55 = 147,930.90/x
  3. Step 3: Cross multiply
    148,967.70x = 223,451.55 × 147,930.90
  4. Step 4: Simplify right side
    148,967.70x = 33,055,388,897.90
  5. Step 5: Solve for x
    x = 33,055,388,897.90/148,967.70
  6. Step 6: Final answer
    x = 221,896.35

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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.