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Finding the Fourth Proportional to 159,442.85, 239,193.72 and 65,955.89

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Solution

The fourth proportional to 159,442.85, 239,193.72 and 65,955.89 is: 98,946.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,442.85 : 239,193.72 = 65,955.89 : x
  2. Step 2: Convert to fraction form
    159,442.85/239,193.72 = 65,955.89/x
  3. Step 3: Cross multiply
    159,442.85x = 239,193.72 × 65,955.89
  4. Step 4: Simplify right side
    159,442.85x = 15,776,235,283.00
  5. Step 5: Solve for x
    x = 15,776,235,283.00/159,442.85
  6. Step 6: Final answer
    x = 98,946.02

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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.