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Finding the Fourth Proportional to 114,710.34, 158,301.35 and 63,028.51

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Solution

The fourth proportional to 114,710.34, 158,301.35 and 63,028.51 is: 86,979.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,710.34 : 158,301.35 = 63,028.51 : x
  2. Step 2: Convert to fraction form
    114,710.34/158,301.35 = 63,028.51/x
  3. Step 3: Cross multiply
    114,710.34x = 158,301.35 × 63,028.51
  4. Step 4: Simplify right side
    114,710.34x = 9,977,498,221.49
  5. Step 5: Solve for x
    x = 9,977,498,221.49/114,710.34
  6. Step 6: Final answer
    x = 86,979.94

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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.