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Finding the Fourth Proportional to 95,061.51, 131,214.03 and 54,802.11

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Solution

The fourth proportional to 95,061.51, 131,214.03 and 54,802.11 is: 75,643.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,061.51 : 131,214.03 = 54,802.11 : x
  2. Step 2: Convert to fraction form
    95,061.51/131,214.03 = 54,802.11/x
  3. Step 3: Cross multiply
    95,061.51x = 131,214.03 × 54,802.11
  4. Step 4: Simplify right side
    95,061.51x = 7,190,805,705.60
  5. Step 5: Solve for x
    x = 7,190,805,705.60/95,061.51
  6. Step 6: Final answer
    x = 75,643.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.