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Finding the Fourth Proportional to 223,607.36, 308,571.84 and 123,005.36

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Solution

The fourth proportional to 223,607.36, 308,571.84 and 123,005.36 is: 169,743.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,607.36 : 308,571.84 = 123,005.36 : x
  2. Step 2: Convert to fraction form
    223,607.36/308,571.84 = 123,005.36/x
  3. Step 3: Cross multiply
    223,607.36x = 308,571.84 × 123,005.36
  4. Step 4: Simplify right side
    223,607.36x = 37,955,990,265.06
  5. Step 5: Solve for x
    x = 37,955,990,265.06/223,607.36
  6. Step 6: Final answer
    x = 169,743.92

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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.