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Finding the Fourth Proportional to 173,805.76, 260,703.04 and 55,484.32

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Solution

The fourth proportional to 173,805.76, 260,703.04 and 55,484.32 is: 83,224.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,805.76 : 260,703.04 = 55,484.32 : x
  2. Step 2: Convert to fraction form
    173,805.76/260,703.04 = 55,484.32/x
  3. Step 3: Cross multiply
    173,805.76x = 260,703.04 × 55,484.32
  4. Step 4: Simplify right side
    173,805.76x = 14,464,930,896.33
  5. Step 5: Solve for x
    x = 14,464,930,896.33/173,805.76
  6. Step 6: Final answer
    x = 83,224.69

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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.