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Finding the Fourth Proportional to 91,952.60, 126,880.98 and 53,189.24

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Solution

The fourth proportional to 91,952.60, 126,880.98 and 53,189.24 is: 73,393.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,952.60 : 126,880.98 = 53,189.24 : x
  2. Step 2: Convert to fraction form
    91,952.60/126,880.98 = 53,189.24/x
  3. Step 3: Cross multiply
    91,952.60x = 126,880.98 × 53,189.24
  4. Step 4: Simplify right side
    91,952.60x = 6,748,702,896.66
  5. Step 5: Solve for x
    x = 6,748,702,896.66/91,952.60
  6. Step 6: Final answer
    x = 73,393.28

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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.