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Finding the Fourth Proportional to 176,187.71, 264,202.17 and 105,143.15

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Solution

The fourth proportional to 176,187.71, 264,202.17 and 105,143.15 is: 157,667.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,187.71 : 264,202.17 = 105,143.15 : x
  2. Step 2: Convert to fraction form
    176,187.71/264,202.17 = 105,143.15/x
  3. Step 3: Cross multiply
    176,187.71x = 264,202.17 × 105,143.15
  4. Step 4: Simplify right side
    176,187.71x = 27,779,047,069.62
  5. Step 5: Solve for x
    x = 27,779,047,069.62/176,187.71
  6. Step 6: Final answer
    x = 157,667.34

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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.