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Finding the Fourth Proportional to 159,385.02, 238,973.59 and 73,960.80

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Solution

The fourth proportional to 159,385.02, 238,973.59 and 73,960.80 is: 110,892.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,385.02 : 238,973.59 = 73,960.80 : x
  2. Step 2: Convert to fraction form
    159,385.02/238,973.59 = 73,960.80/x
  3. Step 3: Cross multiply
    159,385.02x = 238,973.59 × 73,960.80
  4. Step 4: Simplify right side
    159,385.02x = 17,674,677,091.57
  5. Step 5: Solve for x
    x = 17,674,677,091.57/159,385.02
  6. Step 6: Final answer
    x = 110,892.97

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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.