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Finding the Fourth Proportional to 133,267.96, 183,892.08 and 85,585.90

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Solution

The fourth proportional to 133,267.96, 183,892.08 and 85,585.90 is: 118,097.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,267.96 : 183,892.08 = 85,585.90 : x
  2. Step 2: Convert to fraction form
    133,267.96/183,892.08 = 85,585.90/x
  3. Step 3: Cross multiply
    133,267.96x = 183,892.08 × 85,585.90
  4. Step 4: Simplify right side
    133,267.96x = 15,738,569,169.67
  5. Step 5: Solve for x
    x = 15,738,569,169.67/133,267.96
  6. Step 6: Final answer
    x = 118,097.17

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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.