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Finding the Fourth Proportional to 159,203.40, 238,484.54 and 73,693.73

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Solution

The fourth proportional to 159,203.40, 238,484.54 and 73,693.73 is: 110,392.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,203.40 : 238,484.54 = 73,693.73 : x
  2. Step 2: Convert to fraction form
    159,203.40/238,484.54 = 73,693.73/x
  3. Step 3: Cross multiply
    159,203.40x = 238,484.54 × 73,693.73
  4. Step 4: Simplify right side
    159,203.40x = 17,574,814,291.75
  5. Step 5: Solve for x
    x = 17,574,814,291.75/159,203.40
  6. Step 6: Final answer
    x = 110,392.20

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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.