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Finding the Fourth Proportional to 242,600.40, 364,030.20 and 109,501.20

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Solution

The fourth proportional to 242,600.40, 364,030.20 and 109,501.20 is: 164,310.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,600.40 : 364,030.20 = 109,501.20 : x
  2. Step 2: Convert to fraction form
    242,600.40/364,030.20 = 109,501.20/x
  3. Step 3: Cross multiply
    242,600.40x = 364,030.20 × 109,501.20
  4. Step 4: Simplify right side
    242,600.40x = 39,861,743,736.24
  5. Step 5: Solve for x
    x = 39,861,743,736.24/242,600.40
  6. Step 6: Final answer
    x = 164,310.30

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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.