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Finding the Fourth Proportional to 135,010.80, 202,516.20 and 64,873.20

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Solution

The fourth proportional to 135,010.80, 202,516.20 and 64,873.20 is: 97,309.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,010.80 : 202,516.20 = 64,873.20 : x
  2. Step 2: Convert to fraction form
    135,010.80/202,516.20 = 64,873.20/x
  3. Step 3: Cross multiply
    135,010.80x = 202,516.20 × 64,873.20
  4. Step 4: Simplify right side
    135,010.80x = 13,137,873,945.84
  5. Step 5: Solve for x
    x = 13,137,873,945.84/135,010.80
  6. Step 6: Final answer
    x = 97,309.80

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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.