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Finding the Fourth Proportional to 223,173.59, 308,033.15 and 127,735.65

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Solution

The fourth proportional to 223,173.59, 308,033.15 and 127,735.65 is: 176,305.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,173.59 : 308,033.15 = 127,735.65 : x
  2. Step 2: Convert to fraction form
    223,173.59/308,033.15 = 127,735.65/x
  3. Step 3: Cross multiply
    223,173.59x = 308,033.15 × 127,735.65
  4. Step 4: Simplify right side
    223,173.59x = 39,346,813,998.12
  5. Step 5: Solve for x
    x = 39,346,813,998.12/223,173.59
  6. Step 6: Final answer
    x = 176,305.87

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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.