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Finding the Fourth Proportional to 244,442.40, 366,955.20 and 137,911.20

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Solution

The fourth proportional to 244,442.40, 366,955.20 and 137,911.20 is: 207,031.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,442.40 : 366,955.20 = 137,911.20 : x
  2. Step 2: Convert to fraction form
    244,442.40/366,955.20 = 137,911.20/x
  3. Step 3: Cross multiply
    244,442.40x = 366,955.20 × 137,911.20
  4. Step 4: Simplify right side
    244,442.40x = 50,607,231,978.24
  5. Step 5: Solve for x
    x = 50,607,231,978.24/244,442.40
  6. Step 6: Final answer
    x = 207,031.32

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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.