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Finding the Fourth Proportional to 119,759.20, 179,638.80 and 35,522.40

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Solution

The fourth proportional to 119,759.20, 179,638.80 and 35,522.40 is: 53,283.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,759.20 : 179,638.80 = 35,522.40 : x
  2. Step 2: Convert to fraction form
    119,759.20/179,638.80 = 35,522.40/x
  3. Step 3: Cross multiply
    119,759.20x = 179,638.80 × 35,522.40
  4. Step 4: Simplify right side
    119,759.20x = 6,381,201,309.12
  5. Step 5: Solve for x
    x = 6,381,201,309.12/119,759.20
  6. Step 6: Final answer
    x = 53,283.60

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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.