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Finding the Fourth Proportional to 172,283.88, 237,867.30 and 154,077.48

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Solution

The fourth proportional to 172,283.88, 237,867.30 and 154,077.48 is: 212,730.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,283.88 : 237,867.30 = 154,077.48 : x
  2. Step 2: Convert to fraction form
    172,283.88/237,867.30 = 154,077.48/x
  3. Step 3: Cross multiply
    172,283.88x = 237,867.30 × 154,077.48
  4. Step 4: Simplify right side
    172,283.88x = 36,649,994,158.40
  5. Step 5: Solve for x
    x = 36,649,994,158.40/172,283.88
  6. Step 6: Final answer
    x = 212,730.26

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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.