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Finding the Fourth Proportional to 117,372.01, 176,013.79 and 42,473.63

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Solution

The fourth proportional to 117,372.01, 176,013.79 and 42,473.63 is: 63,694.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,372.01 : 176,013.79 = 42,473.63 : x
  2. Step 2: Convert to fraction form
    117,372.01/176,013.79 = 42,473.63/x
  3. Step 3: Cross multiply
    117,372.01x = 176,013.79 × 42,473.63
  4. Step 4: Simplify right side
    117,372.01x = 7,475,944,591.36
  5. Step 5: Solve for x
    x = 7,475,944,591.36/117,372.01
  6. Step 6: Final answer
    x = 63,694.44

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1.5x scale

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.