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Finding the Fourth Proportional to 95,442.70, 143,309.85 and 73,281.10

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Solution

The fourth proportional to 95,442.70, 143,309.85 and 73,281.10 is: 110,033.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,442.70 : 143,309.85 = 73,281.10 : x
  2. Step 2: Convert to fraction form
    95,442.70/143,309.85 = 73,281.10/x
  3. Step 3: Cross multiply
    95,442.70x = 143,309.85 × 73,281.10
  4. Step 4: Simplify right side
    95,442.70x = 10,501,903,448.84
  5. Step 5: Solve for x
    x = 10,501,903,448.84/95,442.70
  6. Step 6: Final answer
    x = 110,033.60

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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.