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Finding the Fourth Proportional to 95,345.40, 143,018.10 and 73,270.20

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Solution

The fourth proportional to 95,345.40, 143,018.10 and 73,270.20 is: 109,905.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,345.40 : 143,018.10 = 73,270.20 : x
  2. Step 2: Convert to fraction form
    95,345.40/143,018.10 = 73,270.20/x
  3. Step 3: Cross multiply
    95,345.40x = 143,018.10 × 73,270.20
  4. Step 4: Simplify right side
    95,345.40x = 10,478,964,790.62
  5. Step 5: Solve for x
    x = 10,478,964,790.62/95,345.40
  6. Step 6: Final answer
    x = 109,905.30

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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.