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Finding the Fourth Proportional to 223,287.52, 308,136.81 and 127,794.25

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Solution

The fourth proportional to 223,287.52, 308,136.81 and 127,794.25 is: 176,356.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,287.52 : 308,136.81 = 127,794.25 : x
  2. Step 2: Convert to fraction form
    223,287.52/308,136.81 = 127,794.25/x
  3. Step 3: Cross multiply
    223,287.52x = 308,136.81 × 127,794.25
  4. Step 4: Simplify right side
    223,287.52x = 39,378,112,531.34
  5. Step 5: Solve for x
    x = 39,378,112,531.34/223,287.52
  6. Step 6: Final answer
    x = 176,356.08

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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.