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Finding the Fourth Proportional to 117,343.62, 176,014.62 and 28,595.16

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Solution

The fourth proportional to 117,343.62, 176,014.62 and 28,595.16 is: 42,892.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,343.62 : 176,014.62 = 28,595.16 : x
  2. Step 2: Convert to fraction form
    117,343.62/176,014.62 = 28,595.16/x
  3. Step 3: Cross multiply
    117,343.62x = 176,014.62 × 28,595.16
  4. Step 4: Simplify right side
    117,343.62x = 5,033,166,221.24
  5. Step 5: Solve for x
    x = 5,033,166,221.24/117,343.62
  6. Step 6: Final answer
    x = 42,892.54

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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.