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Finding the Fourth Proportional to 367,440.30, 551,210.67 and 130,725.90

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Solution

The fourth proportional to 367,440.30, 551,210.67 and 130,725.90 is: 196,106.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,440.30 : 551,210.67 = 130,725.90 : x
  2. Step 2: Convert to fraction form
    367,440.30/551,210.67 = 130,725.90/x
  3. Step 3: Cross multiply
    367,440.30x = 551,210.67 × 130,725.90
  4. Step 4: Simplify right side
    367,440.30x = 72,057,510,925.35
  5. Step 5: Solve for x
    x = 72,057,510,925.35/367,440.30
  6. Step 6: Final answer
    x = 196,106.72

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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.