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Finding the Fourth Proportional to 92,047.68, 127,022.40 and 51,765.12

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Solution

The fourth proportional to 92,047.68, 127,022.40 and 51,765.12 is: 71,433.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,047.68 : 127,022.40 = 51,765.12 : x
  2. Step 2: Convert to fraction form
    92,047.68/127,022.40 = 51,765.12/x
  3. Step 3: Cross multiply
    92,047.68x = 127,022.40 × 51,765.12
  4. Step 4: Simplify right side
    92,047.68x = 6,575,329,778.69
  5. Step 5: Solve for x
    x = 6,575,329,778.69/92,047.68
  6. Step 6: Final answer
    x = 71,433.95

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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.