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Finding the Fourth Proportional to 235,346.85, 324,778.71 and 127,916.91

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Solution

The fourth proportional to 235,346.85, 324,778.71 and 127,916.91 is: 176,525.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,346.85 : 324,778.71 = 127,916.91 : x
  2. Step 2: Convert to fraction form
    235,346.85/324,778.71 = 127,916.91/x
  3. Step 3: Cross multiply
    235,346.85x = 324,778.71 × 127,916.91
  4. Step 4: Simplify right side
    235,346.85x = 41,544,689,016.99
  5. Step 5: Solve for x
    x = 41,544,689,016.99/235,346.85
  6. Step 6: Final answer
    x = 176,525.37

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1.5x scale

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.