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Finding the Fourth Proportional to 168,154.80, 251,713.80 and 149,492.40

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Solution

The fourth proportional to 168,154.80, 251,713.80 and 149,492.40 is: 223,777.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,154.80 : 251,713.80 = 149,492.40 : x
  2. Step 2: Convert to fraction form
    168,154.80/251,713.80 = 149,492.40/x
  3. Step 3: Cross multiply
    168,154.80x = 251,713.80 × 149,492.40
  4. Step 4: Simplify right side
    168,154.80x = 37,629,300,075.12
  5. Step 5: Solve for x
    x = 37,629,300,075.12/168,154.80
  6. Step 6: Final answer
    x = 223,777.73

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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.