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Finding the Fourth Proportional to 191,576.76, 287,362.00 and 65,304.96

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Solution

The fourth proportional to 191,576.76, 287,362.00 and 65,304.96 is: 97,956.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,576.76 : 287,362.00 = 65,304.96 : x
  2. Step 2: Convert to fraction form
    191,576.76/287,362.00 = 65,304.96/x
  3. Step 3: Cross multiply
    191,576.76x = 287,362.00 × 65,304.96
  4. Step 4: Simplify right side
    191,576.76x = 18,766,163,911.42
  5. Step 5: Solve for x
    x = 18,766,163,911.42/191,576.76
  6. Step 6: Final answer
    x = 97,956.37

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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.