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Finding the Fourth Proportional to 114,708.90, 158,323.59 and 63,739.14

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Solution

The fourth proportional to 114,708.90, 158,323.59 and 63,739.14 is: 87,974.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,708.90 : 158,323.59 = 63,739.14 : x
  2. Step 2: Convert to fraction form
    114,708.90/158,323.59 = 63,739.14/x
  3. Step 3: Cross multiply
    114,708.90x = 158,323.59 × 63,739.14
  4. Step 4: Simplify right side
    114,708.90x = 10,091,409,468.31
  5. Step 5: Solve for x
    x = 10,091,409,468.31/114,708.90
  6. Step 6: Final answer
    x = 87,974.08

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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.