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Finding the Fourth Proportional to 117,473.48, 162,039.67 and 69,693

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Solution

The fourth proportional to 117,473.48, 162,039.67 and 69,693 is: 96,132.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,473.48 : 162,039.67 = 69,693 : x
  2. Step 2: Convert to fraction form
    117,473.48/162,039.67 = 69,693/x
  3. Step 3: Cross multiply
    117,473.48x = 162,039.67 × 69,693
  4. Step 4: Simplify right side
    117,473.48x = 11,293,030,721.31
  5. Step 5: Solve for x
    x = 11,293,030,721.31/117,473.48
  6. Step 6: Final answer
    x = 96,132.60

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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.