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Finding the Fourth Proportional to 223,673.75, 308,568.07 and 132,978.25

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Solution

The fourth proportional to 223,673.75, 308,568.07 and 132,978.25 is: 183,449.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,673.75 : 308,568.07 = 132,978.25 : x
  2. Step 2: Convert to fraction form
    223,673.75/308,568.07 = 132,978.25/x
  3. Step 3: Cross multiply
    223,673.75x = 308,568.07 × 132,978.25
  4. Step 4: Simplify right side
    223,673.75x = 41,032,841,758.41
  5. Step 5: Solve for x
    x = 41,032,841,758.41/223,673.75
  6. Step 6: Final answer
    x = 183,449.52

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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.