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Finding the Fourth Proportional to 114,954.86, 158,637.69 and 63,970.87

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Solution

The fourth proportional to 114,954.86, 158,637.69 and 63,970.87 is: 88,279.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,954.86 : 158,637.69 = 63,970.87 : x
  2. Step 2: Convert to fraction form
    114,954.86/158,637.69 = 63,970.87/x
  3. Step 3: Cross multiply
    114,954.86x = 158,637.69 × 63,970.87
  4. Step 4: Simplify right side
    114,954.86x = 10,148,191,044.09
  5. Step 5: Solve for x
    x = 10,148,191,044.09/114,954.86
  6. Step 6: Final answer
    x = 88,279.79

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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.