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Finding the Fourth Proportional to 269,915.10, 372,731.67 and 180,750.30

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Solution

The fourth proportional to 269,915.10, 372,731.67 and 180,750.30 is: 249,602.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,915.10 : 372,731.67 = 180,750.30 : x
  2. Step 2: Convert to fraction form
    269,915.10/372,731.67 = 180,750.30/x
  3. Step 3: Cross multiply
    269,915.10x = 372,731.67 × 180,750.30
  4. Step 4: Simplify right side
    269,915.10x = 67,371,361,172.00
  5. Step 5: Solve for x
    x = 67,371,361,172.00/269,915.10
  6. Step 6: Final answer
    x = 249,602.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.