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Finding the Fourth Proportional to 119,952.48, 165,554.64 and 69,680.64

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Solution

The fourth proportional to 119,952.48, 165,554.64 and 69,680.64 is: 96,171.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,952.48 : 165,554.64 = 69,680.64 : x
  2. Step 2: Convert to fraction form
    119,952.48/165,554.64 = 69,680.64/x
  3. Step 3: Cross multiply
    119,952.48x = 165,554.64 × 69,680.64
  4. Step 4: Simplify right side
    119,952.48x = 11,535,953,270.17
  5. Step 5: Solve for x
    x = 11,535,953,270.17/119,952.48
  6. Step 6: Final answer
    x = 96,171.03

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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.