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Finding the Fourth Proportional to 367,547.50, 551,431.97 and 114,817.78

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Solution

The fourth proportional to 367,547.50, 551,431.97 and 114,817.78 is: 172,261.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,547.50 : 551,431.97 = 114,817.78 : x
  2. Step 2: Convert to fraction form
    367,547.50/551,431.97 = 114,817.78/x
  3. Step 3: Cross multiply
    367,547.50x = 551,431.97 × 114,817.78
  4. Step 4: Simplify right side
    367,547.50x = 63,314,194,616.43
  5. Step 5: Solve for x
    x = 63,314,194,616.43/367,547.50
  6. Step 6: Final answer
    x = 172,261.26

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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.