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Finding the Fourth Proportional to 119,484.25, 164,868.97 and 68,487.59

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Solution

The fourth proportional to 119,484.25, 164,868.97 and 68,487.59 is: 94,501.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,484.25 : 164,868.97 = 68,487.59 : x
  2. Step 2: Convert to fraction form
    119,484.25/164,868.97 = 68,487.59/x
  3. Step 3: Cross multiply
    119,484.25x = 164,868.97 × 68,487.59
  4. Step 4: Simplify right side
    119,484.25x = 11,291,478,662.04
  5. Step 5: Solve for x
    x = 11,291,478,662.04/119,484.25
  6. Step 6: Final answer
    x = 94,501.82

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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.