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Finding the Fourth Proportional to 367,594.65, 551,426.04 and 142,971.98

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Solution

The fourth proportional to 367,594.65, 551,426.04 and 142,971.98 is: 214,471.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,594.65 : 551,426.04 = 142,971.98 : x
  2. Step 2: Convert to fraction form
    367,594.65/551,426.04 = 142,971.98/x
  3. Step 3: Cross multiply
    367,594.65x = 551,426.04 × 142,971.98
  4. Step 4: Simplify right side
    367,594.65x = 78,838,470,005.23
  5. Step 5: Solve for x
    x = 78,838,470,005.23/367,594.65
  6. Step 6: Final answer
    x = 214,471.21

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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.