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Finding the Fourth Proportional to 134,948.60, 202,250.10 and 103,628.60

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Solution

The fourth proportional to 134,948.60, 202,250.10 and 103,628.60 is: 155,310.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,948.60 : 202,250.10 = 103,628.60 : x
  2. Step 2: Convert to fraction form
    134,948.60/202,250.10 = 103,628.60/x
  3. Step 3: Cross multiply
    134,948.60x = 202,250.10 × 103,628.60
  4. Step 4: Simplify right side
    134,948.60x = 20,958,894,712.86
  5. Step 5: Solve for x
    x = 20,958,894,712.86/134,948.60
  6. Step 6: Final answer
    x = 155,310.20

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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.