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Finding the Fourth Proportional to 223,233.47, 308,062.24 and 122,631.47

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Solution

The fourth proportional to 223,233.47, 308,062.24 and 122,631.47 is: 169,231.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,233.47 : 308,062.24 = 122,631.47 : x
  2. Step 2: Convert to fraction form
    223,233.47/308,062.24 = 122,631.47/x
  3. Step 3: Cross multiply
    223,233.47x = 308,062.24 × 122,631.47
  4. Step 4: Simplify right side
    223,233.47x = 37,778,124,651.04
  5. Step 5: Solve for x
    x = 37,778,124,651.04/223,233.47
  6. Step 6: Final answer
    x = 169,231.45

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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.