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Finding the Fourth Proportional to 101,363.20, 152,030.40 and 34,806.40

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Solution

The fourth proportional to 101,363.20, 152,030.40 and 34,806.40 is: 52,204.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,363.20 : 152,030.40 = 34,806.40 : x
  2. Step 2: Convert to fraction form
    101,363.20/152,030.40 = 34,806.40/x
  3. Step 3: Cross multiply
    101,363.20x = 152,030.40 × 34,806.40
  4. Step 4: Simplify right side
    101,363.20x = 5,291,630,914.56
  5. Step 5: Solve for x
    x = 5,291,630,914.56/101,363.20
  6. Step 6: Final answer
    x = 52,204.66

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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.