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Finding the Fourth Proportional to 59,566.60, 89,325.60 and 20,103.40

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Solution

The fourth proportional to 59,566.60, 89,325.60 and 20,103.40 is: 30,146.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,566.60 : 89,325.60 = 20,103.40 : x
  2. Step 2: Convert to fraction form
    59,566.60/89,325.60 = 20,103.40/x
  3. Step 3: Cross multiply
    59,566.60x = 89,325.60 × 20,103.40
  4. Step 4: Simplify right side
    59,566.60x = 1,795,748,267.04
  5. Step 5: Solve for x
    x = 1,795,748,267.04/59,566.60
  6. Step 6: Final answer
    x = 30,146.90

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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.