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Finding the Fourth Proportional to 119,916, 165,330.24 and 98,326.20

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Solution

The fourth proportional to 119,916, 165,330.24 and 98,326.20 is: 135,564.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,916 : 165,330.24 = 98,326.20 : x
  2. Step 2: Convert to fraction form
    119,916/165,330.24 = 98,326.20/x
  3. Step 3: Cross multiply
    119,916x = 165,330.24 × 98,326.20
  4. Step 4: Simplify right side
    119,916x = 16,256,294,244.29
  5. Step 5: Solve for x
    x = 16,256,294,244.29/119,916
  6. Step 6: Final answer
    x = 135,564.01

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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.