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Finding the Fourth Proportional to 91,836.20, 137,495.10 and 91,836.20

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Solution

The fourth proportional to 91,836.20, 137,495.10 and 91,836.20 is: 137,495.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,836.20 : 137,495.10 = 91,836.20 : x
  2. Step 2: Convert to fraction form
    91,836.20/137,495.10 = 91,836.20/x
  3. Step 3: Cross multiply
    91,836.20x = 137,495.10 × 91,836.20
  4. Step 4: Simplify right side
    91,836.20x = 12,627,027,502.62
  5. Step 5: Solve for x
    x = 12,627,027,502.62/91,836.20
  6. Step 6: Final answer
    x = 137,495.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.