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Finding the Fourth Proportional to 104,098.52, 143,655.98 and 59,386.52

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Solution

The fourth proportional to 104,098.52, 143,655.98 and 59,386.52 is: 81,953.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,098.52 : 143,655.98 = 59,386.52 : x
  2. Step 2: Convert to fraction form
    104,098.52/143,655.98 = 59,386.52/x
  3. Step 3: Cross multiply
    104,098.52x = 143,655.98 × 59,386.52
  4. Step 4: Simplify right side
    104,098.52x = 8,531,228,729.39
  5. Step 5: Solve for x
    x = 8,531,228,729.39/104,098.52
  6. Step 6: Final answer
    x = 81,953.41

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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.