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Finding the Fourth Proportional to 247,230.80, 370,943.40 and 97,445.60

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Solution

The fourth proportional to 247,230.80, 370,943.40 and 97,445.60 is: 146,206.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,230.80 : 370,943.40 = 97,445.60 : x
  2. Step 2: Convert to fraction form
    247,230.80/370,943.40 = 97,445.60/x
  3. Step 3: Cross multiply
    247,230.80x = 370,943.40 × 97,445.60
  4. Step 4: Simplify right side
    247,230.80x = 36,146,802,179.04
  5. Step 5: Solve for x
    x = 36,146,802,179.04/247,230.80
  6. Step 6: Final answer
    x = 146,206.71

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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.