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Finding the Fourth Proportional to 117,405.68, 176,094.15 and 49,964.87

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Solution

The fourth proportional to 117,405.68, 176,094.15 and 49,964.87 is: 74,941.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,405.68 : 176,094.15 = 49,964.87 : x
  2. Step 2: Convert to fraction form
    117,405.68/176,094.15 = 49,964.87/x
  3. Step 3: Cross multiply
    117,405.68x = 176,094.15 × 49,964.87
  4. Step 4: Simplify right side
    117,405.68x = 8,798,520,432.04
  5. Step 5: Solve for x
    x = 8,798,520,432.04/117,405.68
  6. Step 6: Final answer
    x = 74,941.19

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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.