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Finding the Fourth Proportional to 114,951,491.10, 172,427,236.65 and 114,951,491.10

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Solution

The fourth proportional to 114,951,491.10, 172,427,236.65 and 114,951,491.10 is: 172,427,236.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,951,491.10 : 172,427,236.65 = 114,951,491.10 : x
  2. Step 2: Convert to fraction form
    114,951,491.10/172,427,236.65 = 114,951,491.10/x
  3. Step 3: Cross multiply
    114,951,491.10x = 172,427,236.65 × 114,951,491.10
  4. Step 4: Simplify right side
    114,951,491.10x = 19,820,767,959,170,068
  5. Step 5: Solve for x
    x = 19,820,767,959,170,068/114,951,491.10
  6. Step 6: Final answer
    x = 172,427,236.65

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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.