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Finding the Fourth Proportional to 91,296.01, 125,986.14 and 51,010.06

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Solution

The fourth proportional to 91,296.01, 125,986.14 and 51,010.06 is: 70,392.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,296.01 : 125,986.14 = 51,010.06 : x
  2. Step 2: Convert to fraction form
    91,296.01/125,986.14 = 51,010.06/x
  3. Step 3: Cross multiply
    91,296.01x = 125,986.14 × 51,010.06
  4. Step 4: Simplify right side
    91,296.01x = 6,426,560,560.57
  5. Step 5: Solve for x
    x = 6,426,560,560.57/91,296.01
  6. Step 6: Final answer
    x = 70,392.57

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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.