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Finding the Fourth Proportional to 133,701.60, 200,503.80 and 67,119.60

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Solution

The fourth proportional to 133,701.60, 200,503.80 and 67,119.60 is: 100,655.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,701.60 : 200,503.80 = 67,119.60 : x
  2. Step 2: Convert to fraction form
    133,701.60/200,503.80 = 67,119.60/x
  3. Step 3: Cross multiply
    133,701.60x = 200,503.80 × 67,119.60
  4. Step 4: Simplify right side
    133,701.60x = 13,457,734,854.48
  5. Step 5: Solve for x
    x = 13,457,734,854.48/133,701.60
  6. Step 6: Final answer
    x = 100,655.00

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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.