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Finding the Fourth Proportional to 159,798.03, 239,788.63 and 65,010.72

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Solution

The fourth proportional to 159,798.03, 239,788.63 and 65,010.72 is: 97,553.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,798.03 : 239,788.63 = 65,010.72 : x
  2. Step 2: Convert to fraction form
    159,798.03/239,788.63 = 65,010.72/x
  3. Step 3: Cross multiply
    159,798.03x = 239,788.63 × 65,010.72
  4. Step 4: Simplify right side
    159,798.03x = 15,588,831,484.11
  5. Step 5: Solve for x
    x = 15,588,831,484.11/159,798.03
  6. Step 6: Final answer
    x = 97,553.34

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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.