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Finding the Fourth Proportional to 58,982.60, 88,257.90 and 43,430.60

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Solution

The fourth proportional to 58,982.60, 88,257.90 and 43,430.60 is: 64,986.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,982.60 : 88,257.90 = 43,430.60 : x
  2. Step 2: Convert to fraction form
    58,982.60/88,257.90 = 43,430.60/x
  3. Step 3: Cross multiply
    58,982.60x = 88,257.90 × 43,430.60
  4. Step 4: Simplify right side
    58,982.60x = 3,833,093,551.74
  5. Step 5: Solve for x
    x = 3,833,093,551.74/58,982.60
  6. Step 6: Final answer
    x = 64,986.85

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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.