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Finding the Fourth Proportional to 95,830.96, 143,072.63 and 73,223.32

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Solution

The fourth proportional to 95,830.96, 143,072.63 and 73,223.32 is: 109,320.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,830.96 : 143,072.63 = 73,223.32 : x
  2. Step 2: Convert to fraction form
    95,830.96/143,072.63 = 73,223.32/x
  3. Step 3: Cross multiply
    95,830.96x = 143,072.63 × 73,223.32
  4. Step 4: Simplify right side
    95,830.96x = 10,476,252,969.73
  5. Step 5: Solve for x
    x = 10,476,252,969.73/95,830.96
  6. Step 6: Final answer
    x = 109,320.13

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.