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Finding the Fourth Proportional to 175,850.22, 242,656.91 and 99,375.15

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Solution

The fourth proportional to 175,850.22, 242,656.91 and 99,375.15 is: 137,128.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,850.22 : 242,656.91 = 99,375.15 : x
  2. Step 2: Convert to fraction form
    175,850.22/242,656.91 = 99,375.15/x
  3. Step 3: Cross multiply
    175,850.22x = 242,656.91 × 99,375.15
  4. Step 4: Simplify right side
    175,850.22x = 24,114,068,174.52
  5. Step 5: Solve for x
    x = 24,114,068,174.52/175,850.22
  6. Step 6: Final answer
    x = 137,128.45

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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.