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Finding the Fourth Proportional to 59,665.53, 89,303.49 and 43,866.39

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Solution

The fourth proportional to 59,665.53, 89,303.49 and 43,866.39 is: 65,656.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,665.53 : 89,303.49 = 43,866.39 : x
  2. Step 2: Convert to fraction form
    59,665.53/89,303.49 = 43,866.39/x
  3. Step 3: Cross multiply
    59,665.53x = 89,303.49 × 43,866.39
  4. Step 4: Simplify right side
    59,665.53x = 3,917,421,720.70
  5. Step 5: Solve for x
    x = 3,917,421,720.70/59,665.53
  6. Step 6: Final answer
    x = 65,656.36

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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.