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Finding the Fourth Proportional to 107,672.09, 161,508.74 and 95,880.51

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Solution

The fourth proportional to 107,672.09, 161,508.74 and 95,880.51 is: 143,821.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,672.09 : 161,508.74 = 95,880.51 : x
  2. Step 2: Convert to fraction form
    107,672.09/161,508.74 = 95,880.51/x
  3. Step 3: Cross multiply
    107,672.09x = 161,508.74 × 95,880.51
  4. Step 4: Simplify right side
    107,672.09x = 15,485,539,881.25
  5. Step 5: Solve for x
    x = 15,485,539,881.25/107,672.09
  6. Step 6: Final answer
    x = 143,821.31

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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.