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Finding the Fourth Proportional to 119,593, 165,038.38 and 69,321.16

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Solution

The fourth proportional to 119,593, 165,038.38 and 69,321.16 is: 95,663.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,593 : 165,038.38 = 69,321.16 : x
  2. Step 2: Convert to fraction form
    119,593/165,038.38 = 69,321.16/x
  3. Step 3: Cross multiply
    119,593x = 165,038.38 × 69,321.16
  4. Step 4: Simplify right side
    119,593x = 11,440,651,946.12
  5. Step 5: Solve for x
    x = 11,440,651,946.12/119,593
  6. Step 6: Final answer
    x = 95,663.22

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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.