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Finding the Fourth Proportional to 119,124.33, 164,379.42 and 71,376.45

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Solution

The fourth proportional to 119,124.33, 164,379.42 and 71,376.45 is: 98,492.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,124.33 : 164,379.42 = 71,376.45 : x
  2. Step 2: Convert to fraction form
    119,124.33/164,379.42 = 71,376.45/x
  3. Step 3: Cross multiply
    119,124.33x = 164,379.42 × 71,376.45
  4. Step 4: Simplify right side
    119,124.33x = 11,732,819,452.66
  5. Step 5: Solve for x
    x = 11,732,819,452.66/119,124.33
  6. Step 6: Final answer
    x = 98,492.22

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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.