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Finding the Fourth Proportional to 243,707.20, 365,405.06 and 117,095.49

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Solution

The fourth proportional to 243,707.20, 365,405.06 and 117,095.49 is: 175,568.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,707.20 : 365,405.06 = 117,095.49 : x
  2. Step 2: Convert to fraction form
    243,707.20/365,405.06 = 117,095.49/x
  3. Step 3: Cross multiply
    243,707.20x = 365,405.06 × 117,095.49
  4. Step 4: Simplify right side
    243,707.20x = 42,787,284,841.92
  5. Step 5: Solve for x
    x = 42,787,284,841.92/243,707.20
  6. Step 6: Final answer
    x = 175,568.41

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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.