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Finding the Fourth Proportional to 59,128.60, 88,795.30 and 41,720.60

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Solution

The fourth proportional to 59,128.60, 88,795.30 and 41,720.60 is: 62,653.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,128.60 : 88,795.30 = 41,720.60 : x
  2. Step 2: Convert to fraction form
    59,128.60/88,795.30 = 41,720.60/x
  3. Step 3: Cross multiply
    59,128.60x = 88,795.30 × 41,720.60
  4. Step 4: Simplify right side
    59,128.60x = 3,704,593,193.18
  5. Step 5: Solve for x
    x = 3,704,593,193.18/59,128.60
  6. Step 6: Final answer
    x = 62,653.15

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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.