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Finding the Fourth Proportional to 158,853.78, 238,326.79 and 64,035.03

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Solution

The fourth proportional to 158,853.78, 238,326.79 and 64,035.03 is: 96,071.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,853.78 : 238,326.79 = 64,035.03 : x
  2. Step 2: Convert to fraction form
    158,853.78/238,326.79 = 64,035.03/x
  3. Step 3: Cross multiply
    158,853.78x = 238,326.79 × 64,035.03
  4. Step 4: Simplify right side
    158,853.78x = 15,261,262,987.37
  5. Step 5: Solve for x
    x = 15,261,262,987.37/158,853.78
  6. Step 6: Final answer
    x = 96,071.14

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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.