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Finding the Fourth Proportional to 148,959.20, 223,438.80 and 147,922.40

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Solution

The fourth proportional to 148,959.20, 223,438.80 and 147,922.40 is: 221,883.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,959.20 : 223,438.80 = 147,922.40 : x
  2. Step 2: Convert to fraction form
    148,959.20/223,438.80 = 147,922.40/x
  3. Step 3: Cross multiply
    148,959.20x = 223,438.80 × 147,922.40
  4. Step 4: Simplify right side
    148,959.20x = 33,051,603,549.12
  5. Step 5: Solve for x
    x = 33,051,603,549.12/148,959.20
  6. Step 6: Final answer
    x = 221,883.60

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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.