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Finding the Fourth Proportional to 133,860.80, 200,560.80 and 113,124.80

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Solution

The fourth proportional to 133,860.80, 200,560.80 and 113,124.80 is: 169,492.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,860.80 : 200,560.80 = 113,124.80 : x
  2. Step 2: Convert to fraction form
    133,860.80/200,560.80 = 113,124.80/x
  3. Step 3: Cross multiply
    133,860.80x = 200,560.80 × 113,124.80
  4. Step 4: Simplify right side
    133,860.80x = 22,688,400,387.84
  5. Step 5: Solve for x
    x = 22,688,400,387.84/133,860.80
  6. Step 6: Final answer
    x = 169,492.49

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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.