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Finding the Fourth Proportional to 159,127.44, 238,798.48 and 65,631.12

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Solution

The fourth proportional to 159,127.44, 238,798.48 and 65,631.12 is: 98,490.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,127.44 : 238,798.48 = 65,631.12 : x
  2. Step 2: Convert to fraction form
    159,127.44/238,798.48 = 65,631.12/x
  3. Step 3: Cross multiply
    159,127.44x = 238,798.48 × 65,631.12
  4. Step 4: Simplify right side
    159,127.44x = 15,672,611,696.70
  5. Step 5: Solve for x
    x = 15,672,611,696.70/159,127.44
  6. Step 6: Final answer
    x = 98,490.94

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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.