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Finding the Fourth Proportional to 156,910.65, 235,365.98 and 137,227.65

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Solution

The fourth proportional to 156,910.65, 235,365.98 and 137,227.65 is: 205,841.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,910.65 : 235,365.98 = 137,227.65 : x
  2. Step 2: Convert to fraction form
    156,910.65/235,365.98 = 137,227.65/x
  3. Step 3: Cross multiply
    156,910.65x = 235,365.98 × 137,227.65
  4. Step 4: Simplify right side
    156,910.65x = 32,298,719,639.21
  5. Step 5: Solve for x
    x = 32,298,719,639.21/156,910.65
  6. Step 6: Final answer
    x = 205,841.48

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1.5x scale

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.