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Finding the Fourth Proportional to 223,154.33, 307,952.61 and 122,552.33

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Solution

The fourth proportional to 223,154.33, 307,952.61 and 122,552.33 is: 169,122.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,154.33 : 307,952.61 = 122,552.33 : x
  2. Step 2: Convert to fraction form
    223,154.33/307,952.61 = 122,552.33/x
  3. Step 3: Cross multiply
    223,154.33x = 307,952.61 × 122,552.33
  4. Step 4: Simplify right side
    223,154.33x = 37,740,308,345.32
  5. Step 5: Solve for x
    x = 37,740,308,345.32/223,154.33
  6. Step 6: Final answer
    x = 169,122.01

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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.