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Finding the Fourth Proportional to 91,952.10, 126,880.29 and 53,188.74

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Solution

The fourth proportional to 91,952.10, 126,880.29 and 53,188.74 is: 73,392.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,952.10 : 126,880.29 = 53,188.74 : x
  2. Step 2: Convert to fraction form
    91,952.10/126,880.29 = 53,188.74/x
  3. Step 3: Cross multiply
    91,952.10x = 126,880.29 × 53,188.74
  4. Step 4: Simplify right side
    91,952.10x = 6,748,602,755.93
  5. Step 5: Solve for x
    x = 6,748,602,755.93/91,952.10
  6. Step 6: Final answer
    x = 73,392.59

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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.