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Finding the Fourth Proportional to 177,303.92, 266,005.92 and 72,198.32

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Solution

The fourth proportional to 177,303.92, 266,005.92 and 72,198.32 is: 108,317.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,303.92 : 266,005.92 = 72,198.32 : x
  2. Step 2: Convert to fraction form
    177,303.92/266,005.92 = 72,198.32/x
  3. Step 3: Cross multiply
    177,303.92x = 266,005.92 × 72,198.32
  4. Step 4: Simplify right side
    177,303.92x = 19,205,180,534.05
  5. Step 5: Solve for x
    x = 19,205,180,534.05/177,303.92
  6. Step 6: Final answer
    x = 108,317.86

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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.