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Finding the Fourth Proportional to 233,990.39, 322,905.69 and 126,560.17

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Solution

The fourth proportional to 233,990.39, 322,905.69 and 126,560.17 is: 174,652.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,990.39 : 322,905.69 = 126,560.17 : x
  2. Step 2: Convert to fraction form
    233,990.39/322,905.69 = 126,560.17/x
  3. Step 3: Cross multiply
    233,990.39x = 322,905.69 × 126,560.17
  4. Step 4: Simplify right side
    233,990.39x = 40,866,999,020.37
  5. Step 5: Solve for x
    x = 40,866,999,020.37/233,990.39
  6. Step 6: Final answer
    x = 174,652.47

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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.