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Finding the Fourth Proportional to 192,000.80, 288,044.40 and 113,074.40

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Solution

The fourth proportional to 192,000.80, 288,044.40 and 113,074.40 is: 169,637.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,000.80 : 288,044.40 = 113,074.40 : x
  2. Step 2: Convert to fraction form
    192,000.80/288,044.40 = 113,074.40/x
  3. Step 3: Cross multiply
    192,000.80x = 288,044.40 × 113,074.40
  4. Step 4: Simplify right side
    192,000.80x = 32,570,447,703.36
  5. Step 5: Solve for x
    x = 32,570,447,703.36/192,000.80
  6. Step 6: Final answer
    x = 169,637.04

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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.