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Finding the Fourth Proportional to 173,576.96, 260,363.52 and 42,248.96

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Solution

The fourth proportional to 173,576.96, 260,363.52 and 42,248.96 is: 63,372.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,576.96 : 260,363.52 = 42,248.96 : x
  2. Step 2: Convert to fraction form
    173,576.96/260,363.52 = 42,248.96/x
  3. Step 3: Cross multiply
    173,576.96x = 260,363.52 × 42,248.96
  4. Step 4: Simplify right side
    173,576.96x = 11,000,087,941.94
  5. Step 5: Solve for x
    x = 11,000,087,941.94/173,576.96
  6. Step 6: Final answer
    x = 63,372.97

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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.