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Finding the Fourth Proportional to 95,808.96, 143,678.88 and 40,409.28

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Solution

The fourth proportional to 95,808.96, 143,678.88 and 40,409.28 is: 60,599.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,808.96 : 143,678.88 = 40,409.28 : x
  2. Step 2: Convert to fraction form
    95,808.96/143,678.88 = 40,409.28/x
  3. Step 3: Cross multiply
    95,808.96x = 143,678.88 × 40,409.28
  4. Step 4: Simplify right side
    95,808.96x = 5,805,960,092.01
  5. Step 5: Solve for x
    x = 5,805,960,092.01/95,808.96
  6. Step 6: Final answer
    x = 60,599.34

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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.