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Finding the Fourth Proportional to 101,973.36, 140,774.40 and 63,754.14

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Solution

The fourth proportional to 101,973.36, 140,774.40 and 63,754.14 is: 88,012.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,973.36 : 140,774.40 = 63,754.14 : x
  2. Step 2: Convert to fraction form
    101,973.36/140,774.40 = 63,754.14/x
  3. Step 3: Cross multiply
    101,973.36x = 140,774.40 × 63,754.14
  4. Step 4: Simplify right side
    101,973.36x = 8,974,950,806.02
  5. Step 5: Solve for x
    x = 8,974,950,806.02/101,973.36
  6. Step 6: Final answer
    x = 88,012.70

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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.