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Finding the Fourth Proportional to 207,057.96, 310,365.48 and 107,117.52

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Solution

The fourth proportional to 207,057.96, 310,365.48 and 107,117.52 is: 160,561.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,057.96 : 310,365.48 = 107,117.52 : x
  2. Step 2: Convert to fraction form
    207,057.96/310,365.48 = 107,117.52/x
  3. Step 3: Cross multiply
    207,057.96x = 310,365.48 × 107,117.52
  4. Step 4: Simplify right side
    207,057.96x = 33,245,580,511.21
  5. Step 5: Solve for x
    x = 33,245,580,511.21/207,057.96
  6. Step 6: Final answer
    x = 160,561.71

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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.