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Finding the Fourth Proportional to 91,497.53, 126,267.22 and 51,215.02

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Solution

The fourth proportional to 91,497.53, 126,267.22 and 51,215.02 is: 70,677.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,497.53 : 126,267.22 = 51,215.02 : x
  2. Step 2: Convert to fraction form
    91,497.53/126,267.22 = 51,215.02/x
  3. Step 3: Cross multiply
    91,497.53x = 126,267.22 × 51,215.02
  4. Step 4: Simplify right side
    91,497.53x = 6,466,777,946.00
  5. Step 5: Solve for x
    x = 6,466,777,946.00/91,497.53
  6. Step 6: Final answer
    x = 70,677.07

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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.