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Finding the Fourth Proportional to 223,406.71, 308,301.24 and 122,804.71

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Solution

The fourth proportional to 223,406.71, 308,301.24 and 122,804.71 is: 169,470.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,406.71 : 308,301.24 = 122,804.71 : x
  2. Step 2: Convert to fraction form
    223,406.71/308,301.24 = 122,804.71/x
  3. Step 3: Cross multiply
    223,406.71x = 308,301.24 × 122,804.71
  4. Step 4: Simplify right side
    223,406.71x = 37,860,844,370.84
  5. Step 5: Solve for x
    x = 37,860,844,370.84/223,406.71
  6. Step 6: Final answer
    x = 169,470.49

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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.