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Finding the Fourth Proportional to 119,208, 164,501.16 and 71,452.08

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Solution

The fourth proportional to 119,208, 164,501.16 and 71,452.08 is: 98,600.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,208 : 164,501.16 = 71,452.08 : x
  2. Step 2: Convert to fraction form
    119,208/164,501.16 = 71,452.08/x
  3. Step 3: Cross multiply
    119,208x = 164,501.16 × 71,452.08
  4. Step 4: Simplify right side
    119,208x = 11,753,950,044.41
  5. Step 5: Solve for x
    x = 11,753,950,044.41/119,208
  6. Step 6: Final answer
    x = 98,600.35

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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.