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Finding the Fourth Proportional to 59,109.40, 88,664.88 and 19,666.52

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Solution

The fourth proportional to 59,109.40, 88,664.88 and 19,666.52 is: 29,500.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,109.40 : 88,664.88 = 19,666.52 : x
  2. Step 2: Convert to fraction form
    59,109.40/88,664.88 = 19,666.52/x
  3. Step 3: Cross multiply
    59,109.40x = 88,664.88 × 19,666.52
  4. Step 4: Simplify right side
    59,109.40x = 1,743,729,635.82
  5. Step 5: Solve for x
    x = 1,743,729,635.82/59,109.40
  6. Step 6: Final answer
    x = 29,500.04

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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.