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Finding the Fourth Proportional to 134,965.80, 202,448.70 and 41,459.40

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Solution

The fourth proportional to 134,965.80, 202,448.70 and 41,459.40 is: 62,189.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,965.80 : 202,448.70 = 41,459.40 : x
  2. Step 2: Convert to fraction form
    134,965.80/202,448.70 = 41,459.40/x
  3. Step 3: Cross multiply
    134,965.80x = 202,448.70 × 41,459.40
  4. Step 4: Simplify right side
    134,965.80x = 8,393,401,632.78
  5. Step 5: Solve for x
    x = 8,393,401,632.78/134,965.80
  6. Step 6: Final answer
    x = 62,189.10

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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.