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Finding the Fourth Proportional to 59,089.60, 88,418.40 and 43,537.60

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Solution

The fourth proportional to 59,089.60, 88,418.40 and 43,537.60 is: 65,147.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,089.60 : 88,418.40 = 43,537.60 : x
  2. Step 2: Convert to fraction form
    59,089.60/88,418.40 = 43,537.60/x
  3. Step 3: Cross multiply
    59,089.60x = 88,418.40 × 43,537.60
  4. Step 4: Simplify right side
    59,089.60x = 3,849,524,931.84
  5. Step 5: Solve for x
    x = 3,849,524,931.84/59,089.60
  6. Step 6: Final answer
    x = 65,147.25

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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.