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Finding the Fourth Proportional to 223,274.48, 308,117.52 and 121,299.12

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Solution

The fourth proportional to 223,274.48, 308,117.52 and 121,299.12 is: 167,392.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,274.48 : 308,117.52 = 121,299.12 : x
  2. Step 2: Convert to fraction form
    223,274.48/308,117.52 = 121,299.12/x
  3. Step 3: Cross multiply
    223,274.48x = 308,117.52 × 121,299.12
  4. Step 4: Simplify right side
    223,274.48x = 37,374,384,032.58
  5. Step 5: Solve for x
    x = 37,374,384,032.58/223,274.48
  6. Step 6: Final answer
    x = 167,392.10

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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.