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Finding the Fourth Proportional to 134,920.60, 202,208.10 and 103,600.60

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Solution

The fourth proportional to 134,920.60, 202,208.10 and 103,600.60 is: 155,268.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,920.60 : 202,208.10 = 103,600.60 : x
  2. Step 2: Convert to fraction form
    134,920.60/202,208.10 = 103,600.60/x
  3. Step 3: Cross multiply
    134,920.60x = 202,208.10 × 103,600.60
  4. Step 4: Simplify right side
    134,920.60x = 20,948,880,484.86
  5. Step 5: Solve for x
    x = 20,948,880,484.86/134,920.60
  6. Step 6: Final answer
    x = 155,268.21

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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.