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Finding the Fourth Proportional to 100,703.60, 151,050.60 and 34,137.20

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Solution

The fourth proportional to 100,703.60, 151,050.60 and 34,137.20 is: 51,204.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,703.60 : 151,050.60 = 34,137.20 : x
  2. Step 2: Convert to fraction form
    100,703.60/151,050.60 = 34,137.20/x
  3. Step 3: Cross multiply
    100,703.60x = 151,050.60 × 34,137.20
  4. Step 4: Simplify right side
    100,703.60x = 5,156,444,542.32
  5. Step 5: Solve for x
    x = 5,156,444,542.32/100,703.60
  6. Step 6: Final answer
    x = 51,204.17

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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.