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Finding the Fourth Proportional to 367,428.08, 551,142.19 and 114,730.26

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Solution

The fourth proportional to 367,428.08, 551,142.19 and 114,730.26 is: 172,095.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,428.08 : 551,142.19 = 114,730.26 : x
  2. Step 2: Convert to fraction form
    367,428.08/551,142.19 = 114,730.26/x
  3. Step 3: Cross multiply
    367,428.08x = 551,142.19 × 114,730.26
  4. Step 4: Simplify right side
    367,428.08x = 63,232,684,832.30
  5. Step 5: Solve for x
    x = 63,232,684,832.30/367,428.08
  6. Step 6: Final answer
    x = 172,095.41

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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.