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Finding the Fourth Proportional to 233,641.15, 322,424.91 and 126,211.15

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Solution

The fourth proportional to 233,641.15, 322,424.91 and 126,211.15 is: 174,171.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,641.15 : 322,424.91 = 126,211.15 : x
  2. Step 2: Convert to fraction form
    233,641.15/322,424.91 = 126,211.15/x
  3. Step 3: Cross multiply
    233,641.15x = 322,424.91 × 126,211.15
  4. Step 4: Simplify right side
    233,641.15x = 40,693,618,679.75
  5. Step 5: Solve for x
    x = 40,693,618,679.75/233,641.15
  6. Step 6: Final answer
    x = 174,171.45

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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.