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Finding the Fourth Proportional to 158,015.34, 236,973.60 and 52,809.71

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Solution

The fourth proportional to 158,015.34, 236,973.60 and 52,809.71 is: 79,198.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,015.34 : 236,973.60 = 52,809.71 : x
  2. Step 2: Convert to fraction form
    158,015.34/236,973.60 = 52,809.71/x
  3. Step 3: Cross multiply
    158,015.34x = 236,973.60 × 52,809.71
  4. Step 4: Simplify right side
    158,015.34x = 12,514,505,908.79
  5. Step 5: Solve for x
    x = 12,514,505,908.79/158,015.34
  6. Step 6: Final answer
    x = 79,198.04

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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.