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Finding the Fourth Proportional to 73,463.60, 110,065.80 and 60,244.40

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Solution

The fourth proportional to 73,463.60, 110,065.80 and 60,244.40 is: 90,260.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,463.60 : 110,065.80 = 60,244.40 : x
  2. Step 2: Convert to fraction form
    73,463.60/110,065.80 = 60,244.40/x
  3. Step 3: Cross multiply
    73,463.60x = 110,065.80 × 60,244.40
  4. Step 4: Simplify right side
    73,463.60x = 6,630,848,081.52
  5. Step 5: Solve for x
    x = 6,630,848,081.52/73,463.60
  6. Step 6: Final answer
    x = 90,260.32

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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.