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Finding the Fourth Proportional to 173,739, 260,609.04 and 42,411

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Solution

The fourth proportional to 173,739, 260,609.04 and 42,411 is: 63,616.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,739 : 260,609.04 = 42,411 : x
  2. Step 2: Convert to fraction form
    173,739/260,609.04 = 42,411/x
  3. Step 3: Cross multiply
    173,739x = 260,609.04 × 42,411
  4. Step 4: Simplify right side
    173,739x = 11,052,689,995.44
  5. Step 5: Solve for x
    x = 11,052,689,995.44/173,739
  6. Step 6: Final answer
    x = 63,616.63

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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.