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Finding the Fourth Proportional to 117,808.98, 176,748.28 and 67,924.86

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Solution

The fourth proportional to 117,808.98, 176,748.28 and 67,924.86 is: 101,907.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,808.98 : 176,748.28 = 67,924.86 : x
  2. Step 2: Convert to fraction form
    117,808.98/176,748.28 = 67,924.86/x
  3. Step 3: Cross multiply
    117,808.98x = 176,748.28 × 67,924.86
  4. Step 4: Simplify right side
    117,808.98x = 12,005,602,174.24
  5. Step 5: Solve for x
    x = 12,005,602,174.24/117,808.98
  6. Step 6: Final answer
    x = 101,907.36

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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.