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Finding the Fourth Proportional to 119,462.59, 164,821.26 and 67,771.16

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Solution

The fourth proportional to 119,462.59, 164,821.26 and 67,771.16 is: 93,503.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,462.59 : 164,821.26 = 67,771.16 : x
  2. Step 2: Convert to fraction form
    119,462.59/164,821.26 = 67,771.16/x
  3. Step 3: Cross multiply
    119,462.59x = 164,821.26 × 67,771.16
  4. Step 4: Simplify right side
    119,462.59x = 11,170,128,386.28
  5. Step 5: Solve for x
    x = 11,170,128,386.28/119,462.59
  6. Step 6: Final answer
    x = 93,503.15

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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.