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Finding the Fourth Proportional to 67,681.71, 101,521.44 and 23,307.48

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Solution

The fourth proportional to 67,681.71, 101,521.44 and 23,307.48 is: 34,960.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,681.71 : 101,521.44 = 23,307.48 : x
  2. Step 2: Convert to fraction form
    67,681.71/101,521.44 = 23,307.48/x
  3. Step 3: Cross multiply
    67,681.71x = 101,521.44 × 23,307.48
  4. Step 4: Simplify right side
    67,681.71x = 2,366,208,932.37
  5. Step 5: Solve for x
    x = 2,366,208,932.37/67,681.71
  6. Step 6: Final answer
    x = 34,960.83

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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.