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Finding the Fourth Proportional to 104,963.50, 144,844.40 and 59,635.50

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Solution

The fourth proportional to 104,963.50, 144,844.40 and 59,635.50 is: 82,294.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,963.50 : 144,844.40 = 59,635.50 : x
  2. Step 2: Convert to fraction form
    104,963.50/144,844.40 = 59,635.50/x
  3. Step 3: Cross multiply
    104,963.50x = 144,844.40 × 59,635.50
  4. Step 4: Simplify right side
    104,963.50x = 8,637,868,216.20
  5. Step 5: Solve for x
    x = 8,637,868,216.20/104,963.50
  6. Step 6: Final answer
    x = 82,294.02

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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.