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Finding the Fourth Proportional to 117,473.49, 162,039.66 and 69,693

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Solution

The fourth proportional to 117,473.49, 162,039.66 and 69,693 is: 96,132.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,473.49 : 162,039.66 = 69,693 : x
  2. Step 2: Convert to fraction form
    117,473.49/162,039.66 = 69,693/x
  3. Step 3: Cross multiply
    117,473.49x = 162,039.66 × 69,693
  4. Step 4: Simplify right side
    117,473.49x = 11,293,030,024.38
  5. Step 5: Solve for x
    x = 11,293,030,024.38/117,473.49
  6. Step 6: Final answer
    x = 96,132.58

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1.5x scale

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.