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Finding the Fourth Proportional to 91,760.52, 126,630.84 and 53,518.98

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Solution

The fourth proportional to 91,760.52, 126,630.84 and 53,518.98 is: 73,856.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,760.52 : 126,630.84 = 53,518.98 : x
  2. Step 2: Convert to fraction form
    91,760.52/126,630.84 = 53,518.98/x
  3. Step 3: Cross multiply
    91,760.52x = 126,630.84 × 53,518.98
  4. Step 4: Simplify right side
    91,760.52x = 6,777,153,393.34
  5. Step 5: Solve for x
    x = 6,777,153,393.34/91,760.52
  6. Step 6: Final answer
    x = 73,856.96

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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.