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Finding the Fourth Proportional to 110,840.91, 152,961.06 and 60,539.91

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Solution

The fourth proportional to 110,840.91, 152,961.06 and 60,539.91 is: 83,545.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,840.91 : 152,961.06 = 60,539.91 : x
  2. Step 2: Convert to fraction form
    110,840.91/152,961.06 = 60,539.91/x
  3. Step 3: Cross multiply
    110,840.91x = 152,961.06 × 60,539.91
  4. Step 4: Simplify right side
    110,840.91x = 9,260,248,118.79
  5. Step 5: Solve for x
    x = 9,260,248,118.79/110,840.91
  6. Step 6: Final answer
    x = 83,545.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.