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Finding the Fourth Proportional to 117,957.69, 176,983.52 and 43,082.91

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Solution

The fourth proportional to 117,957.69, 176,983.52 and 43,082.91 is: 64,641.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,957.69 : 176,983.52 = 43,082.91 : x
  2. Step 2: Convert to fraction form
    117,957.69/176,983.52 = 43,082.91/x
  3. Step 3: Cross multiply
    117,957.69x = 176,983.52 × 43,082.91
  4. Step 4: Simplify right side
    117,957.69x = 7,624,964,848.23
  5. Step 5: Solve for x
    x = 7,624,964,848.23/117,957.69
  6. Step 6: Final answer
    x = 64,641.52

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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.