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Finding the Fourth Proportional to 117,375.70, 176,019.31 and 42,477.34

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Solution

The fourth proportional to 117,375.70, 176,019.31 and 42,477.34 is: 63,700.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,375.70 : 176,019.31 = 42,477.34 : x
  2. Step 2: Convert to fraction form
    117,375.70/176,019.31 = 42,477.34/x
  3. Step 3: Cross multiply
    117,375.70x = 176,019.31 × 42,477.34
  4. Step 4: Simplify right side
    117,375.70x = 7,476,832,077.44
  5. Step 5: Solve for x
    x = 7,476,832,077.44/117,375.70
  6. Step 6: Final answer
    x = 63,700.00

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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.