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Finding the Fourth Proportional to 117,126.72, 175,281.48 and 95,820.48

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Solution

The fourth proportional to 117,126.72, 175,281.48 and 95,820.48 is: 143,396.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,126.72 : 175,281.48 = 95,820.48 : x
  2. Step 2: Convert to fraction form
    117,126.72/175,281.48 = 95,820.48/x
  3. Step 3: Cross multiply
    117,126.72x = 175,281.48 × 95,820.48
  4. Step 4: Simplify right side
    117,126.72x = 16,795,555,548.71
  5. Step 5: Solve for x
    x = 16,795,555,548.71/117,126.72
  6. Step 6: Final answer
    x = 143,396.45

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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.