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Finding the Fourth Proportional to 217,160.23, 325,783.80 and 75,010.69

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Solution

The fourth proportional to 217,160.23, 325,783.80 and 75,010.69 is: 112,531.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,160.23 : 325,783.80 = 75,010.69 : x
  2. Step 2: Convert to fraction form
    217,160.23/325,783.80 = 75,010.69/x
  3. Step 3: Cross multiply
    217,160.23x = 325,783.80 × 75,010.69
  4. Step 4: Simplify right side
    217,160.23x = 24,437,267,628.82
  5. Step 5: Solve for x
    x = 24,437,267,628.82/217,160.23
  6. Step 6: Final answer
    x = 112,531.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.