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Finding the Fourth Proportional to 169,343, 233,701.44 and 93,891.50

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Solution

The fourth proportional to 169,343, 233,701.44 and 93,891.50 is: 129,574.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,343 : 233,701.44 = 93,891.50 : x
  2. Step 2: Convert to fraction form
    169,343/233,701.44 = 93,891.50/x
  3. Step 3: Cross multiply
    169,343x = 233,701.44 × 93,891.50
  4. Step 4: Simplify right side
    169,343x = 21,942,578,753.76
  5. Step 5: Solve for x
    x = 21,942,578,753.76/169,343
  6. Step 6: Final answer
    x = 129,574.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.