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Finding the Fourth Proportional to 267,087.18, 368,581.38 and 146,239.68

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Solution

The fourth proportional to 267,087.18, 368,581.38 and 146,239.68 is: 201,811.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,087.18 : 368,581.38 = 146,239.68 : x
  2. Step 2: Convert to fraction form
    267,087.18/368,581.38 = 146,239.68/x
  3. Step 3: Cross multiply
    267,087.18x = 368,581.38 × 146,239.68
  4. Step 4: Simplify right side
    267,087.18x = 53,901,223,065.16
  5. Step 5: Solve for x
    x = 53,901,223,065.16/267,087.18
  6. Step 6: Final answer
    x = 201,811.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.