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Finding the Fourth Proportional to 137,656.83, 206,441.50 and 93,566.91

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Solution

The fourth proportional to 137,656.83, 206,441.50 and 93,566.91 is: 140,320.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,656.83 : 206,441.50 = 93,566.91 : x
  2. Step 2: Convert to fraction form
    137,656.83/206,441.50 = 93,566.91/x
  3. Step 3: Cross multiply
    137,656.83x = 206,441.50 × 93,566.91
  4. Step 4: Simplify right side
    137,656.83x = 19,316,093,250.77
  5. Step 5: Solve for x
    x = 19,316,093,250.77/137,656.83
  6. Step 6: Final answer
    x = 140,320.63

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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.