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Finding the Fourth Proportional to 173,886.21, 260,820.72 and 101,879.91

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Solution

The fourth proportional to 173,886.21, 260,820.72 and 101,879.91 is: 152,814.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,886.21 : 260,820.72 = 101,879.91 : x
  2. Step 2: Convert to fraction form
    173,886.21/260,820.72 = 101,879.91/x
  3. Step 3: Cross multiply
    173,886.21x = 260,820.72 × 101,879.91
  4. Step 4: Simplify right side
    173,886.21x = 26,572,391,479.74
  5. Step 5: Solve for x
    x = 26,572,391,479.74/173,886.21
  6. Step 6: Final answer
    x = 152,814.83

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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.