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Finding the Fourth Proportional to 100,006.84, 138,012.96 and 59,751.46

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Solution

The fourth proportional to 100,006.84, 138,012.96 and 59,751.46 is: 82,459.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,006.84 : 138,012.96 = 59,751.46 : x
  2. Step 2: Convert to fraction form
    100,006.84/138,012.96 = 59,751.46/x
  3. Step 3: Cross multiply
    100,006.84x = 138,012.96 × 59,751.46
  4. Step 4: Simplify right side
    100,006.84x = 8,246,475,858.92
  5. Step 5: Solve for x
    x = 8,246,475,858.92/100,006.84
  6. Step 6: Final answer
    x = 82,459.12

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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.