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Finding the Fourth Proportional to 244,686.70, 367,030.05 and 86,931.10

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Solution

The fourth proportional to 244,686.70, 367,030.05 and 86,931.10 is: 130,396.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,686.70 : 367,030.05 = 86,931.10 : x
  2. Step 2: Convert to fraction form
    244,686.70/367,030.05 = 86,931.10/x
  3. Step 3: Cross multiply
    244,686.70x = 367,030.05 × 86,931.10
  4. Step 4: Simplify right side
    244,686.70x = 31,906,325,979.56
  5. Step 5: Solve for x
    x = 31,906,325,979.56/244,686.70
  6. Step 6: Final answer
    x = 130,396.65

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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.