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Finding the Fourth Proportional to 72,295.33, 107,950.97 and 63,790.96

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Solution

The fourth proportional to 72,295.33, 107,950.97 and 63,790.96 is: 95,252.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,295.33 : 107,950.97 = 63,790.96 : x
  2. Step 2: Convert to fraction form
    72,295.33/107,950.97 = 63,790.96/x
  3. Step 3: Cross multiply
    72,295.33x = 107,950.97 × 63,790.96
  4. Step 4: Simplify right side
    72,295.33x = 6,886,296,009.23
  5. Step 5: Solve for x
    x = 6,886,296,009.23/72,295.33
  6. Step 6: Final answer
    x = 95,252.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.