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Finding the Fourth Proportional to 91,348.92, 126,058.86 and 51,062.76

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Solution

The fourth proportional to 91,348.92, 126,058.86 and 51,062.76 is: 70,465.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,348.92 : 126,058.86 = 51,062.76 : x
  2. Step 2: Convert to fraction form
    91,348.92/126,058.86 = 51,062.76/x
  3. Step 3: Cross multiply
    91,348.92x = 126,058.86 × 51,062.76
  4. Step 4: Simplify right side
    91,348.92x = 6,436,913,314.05
  5. Step 5: Solve for x
    x = 6,436,913,314.05/91,348.92
  6. Step 6: Final answer
    x = 70,465.13

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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.