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Finding the Fourth Proportional to 95,699.51, 143,549.31 and 43,047.48

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Solution

The fourth proportional to 95,699.51, 143,549.31 and 43,047.48 is: 64,571.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,699.51 : 143,549.31 = 43,047.48 : x
  2. Step 2: Convert to fraction form
    95,699.51/143,549.31 = 43,047.48/x
  3. Step 3: Cross multiply
    95,699.51x = 143,549.31 × 43,047.48
  4. Step 4: Simplify right side
    95,699.51x = 6,179,436,750.98
  5. Step 5: Solve for x
    x = 6,179,436,750.98/95,699.51
  6. Step 6: Final answer
    x = 64,571.25

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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.