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Finding the Fourth Proportional to 101,750.36, 140,424.37 and 59,307.98

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Solution

The fourth proportional to 101,750.36, 140,424.37 and 59,307.98 is: 81,850.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,750.36 : 140,424.37 = 59,307.98 : x
  2. Step 2: Convert to fraction form
    101,750.36/140,424.37 = 59,307.98/x
  3. Step 3: Cross multiply
    101,750.36x = 140,424.37 × 59,307.98
  4. Step 4: Simplify right side
    101,750.36x = 8,328,284,877.08
  5. Step 5: Solve for x
    x = 8,328,284,877.08/101,750.36
  6. Step 6: Final answer
    x = 81,850.18

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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.