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Finding the Fourth Proportional to 91,296.63, 126,010.40 and 59,410.17

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Solution

The fourth proportional to 91,296.63, 126,010.40 and 59,410.17 is: 81,999.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,296.63 : 126,010.40 = 59,410.17 : x
  2. Step 2: Convert to fraction form
    91,296.63/126,010.40 = 59,410.17/x
  3. Step 3: Cross multiply
    91,296.63x = 126,010.40 × 59,410.17
  4. Step 4: Simplify right side
    91,296.63x = 7,486,298,988.72
  5. Step 5: Solve for x
    x = 7,486,298,988.72/91,296.63
  6. Step 6: Final answer
    x = 81,999.73

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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.