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Finding the Fourth Proportional to 133,035.39, 199,585.89 and 39,541.14

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Solution

The fourth proportional to 133,035.39, 199,585.89 and 39,541.14 is: 59,321.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,035.39 : 199,585.89 = 39,541.14 : x
  2. Step 2: Convert to fraction form
    133,035.39/199,585.89 = 39,541.14/x
  3. Step 3: Cross multiply
    133,035.39x = 199,585.89 × 39,541.14
  4. Step 4: Simplify right side
    133,035.39x = 7,891,853,618.51
  5. Step 5: Solve for x
    x = 7,891,853,618.51/133,035.39
  6. Step 6: Final answer
    x = 59,321.46

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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.