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Finding the Fourth Proportional to 125,061.63, 187,693.59 and 96,914.94

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Solution

The fourth proportional to 125,061.63, 187,693.59 and 96,914.94 is: 145,450.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,061.63 : 187,693.59 = 96,914.94 : x
  2. Step 2: Convert to fraction form
    125,061.63/187,693.59 = 96,914.94/x
  3. Step 3: Cross multiply
    125,061.63x = 187,693.59 × 96,914.94
  4. Step 4: Simplify right side
    125,061.63x = 18,190,313,013.23
  5. Step 5: Solve for x
    x = 18,190,313,013.23/125,061.63
  6. Step 6: Final answer
    x = 145,450.79

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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.