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Finding the Fourth Proportional to 92,215.99, 127,316.92 and 75,260.74

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Solution

The fourth proportional to 92,215.99, 127,316.92 and 75,260.74 is: 103,907.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,215.99 : 127,316.92 = 75,260.74 : x
  2. Step 2: Convert to fraction form
    92,215.99/127,316.92 = 75,260.74/x
  3. Step 3: Cross multiply
    92,215.99x = 127,316.92 × 75,260.74
  4. Step 4: Simplify right side
    92,215.99x = 9,581,964,977.14
  5. Step 5: Solve for x
    x = 9,581,964,977.14/92,215.99
  6. Step 6: Final answer
    x = 103,907.85

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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.