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Finding the Fourth Proportional to 235,705.32, 325,393.86 and 181,869.48

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Solution

The fourth proportional to 235,705.32, 325,393.86 and 181,869.48 is: 251,072.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,705.32 : 325,393.86 = 181,869.48 : x
  2. Step 2: Convert to fraction form
    235,705.32/325,393.86 = 181,869.48/x
  3. Step 3: Cross multiply
    235,705.32x = 325,393.86 × 181,869.48
  4. Step 4: Simplify right side
    235,705.32x = 59,179,212,113.39
  5. Step 5: Solve for x
    x = 59,179,212,113.39/235,705.32
  6. Step 6: Final answer
    x = 251,072.87

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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.