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Finding the Fourth Proportional to 69,668.54, 96,148.52 and 39,459.24

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Solution

The fourth proportional to 69,668.54, 96,148.52 and 39,459.24 is: 54,457.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,668.54 : 96,148.52 = 39,459.24 : x
  2. Step 2: Convert to fraction form
    69,668.54/96,148.52 = 39,459.24/x
  3. Step 3: Cross multiply
    69,668.54x = 96,148.52 × 39,459.24
  4. Step 4: Simplify right side
    69,668.54x = 3,793,947,526.32
  5. Step 5: Solve for x
    x = 3,793,947,526.32/69,668.54
  6. Step 6: Final answer
    x = 54,457.11

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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.