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Finding the Fourth Proportional to 244,596.40, 366,931.05 and 86,811.64

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Solution

The fourth proportional to 244,596.40, 366,931.05 and 86,811.64 is: 130,230.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,596.40 : 366,931.05 = 86,811.64 : x
  2. Step 2: Convert to fraction form
    244,596.40/366,931.05 = 86,811.64/x
  3. Step 3: Cross multiply
    244,596.40x = 366,931.05 × 86,811.64
  4. Step 4: Simplify right side
    244,596.40x = 31,853,886,217.42
  5. Step 5: Solve for x
    x = 31,853,886,217.42/244,596.40
  6. Step 6: Final answer
    x = 130,230.40

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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.