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Finding the Fourth Proportional to 272,532.72, 376,007.64 and 165,068.40

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Solution

The fourth proportional to 272,532.72, 376,007.64 and 165,068.40 is: 227,741.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,532.72 : 376,007.64 = 165,068.40 : x
  2. Step 2: Convert to fraction form
    272,532.72/376,007.64 = 165,068.40/x
  3. Step 3: Cross multiply
    272,532.72x = 376,007.64 × 165,068.40
  4. Step 4: Simplify right side
    272,532.72x = 62,066,979,522.58
  5. Step 5: Solve for x
    x = 62,066,979,522.58/272,532.72
  6. Step 6: Final answer
    x = 227,741.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.