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Finding the Fourth Proportional to 135,065.40, 202,598.10 and 133,097.10

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Solution

The fourth proportional to 135,065.40, 202,598.10 and 133,097.10 is: 199,645.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,065.40 : 202,598.10 = 133,097.10 : x
  2. Step 2: Convert to fraction form
    135,065.40/202,598.10 = 133,097.10/x
  3. Step 3: Cross multiply
    135,065.40x = 202,598.10 × 133,097.10
  4. Step 4: Simplify right side
    135,065.40x = 26,965,219,575.51
  5. Step 5: Solve for x
    x = 26,965,219,575.51/135,065.40
  6. Step 6: Final answer
    x = 199,645.65

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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.