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Finding the Fourth Proportional to 189,294.48, 261,226.60 and 108,737.60

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Solution

The fourth proportional to 189,294.48, 261,226.60 and 108,737.60 is: 150,058.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,294.48 : 261,226.60 = 108,737.60 : x
  2. Step 2: Convert to fraction form
    189,294.48/261,226.60 = 108,737.60/x
  3. Step 3: Cross multiply
    189,294.48x = 261,226.60 × 108,737.60
  4. Step 4: Simplify right side
    189,294.48x = 28,405,153,540.16
  5. Step 5: Solve for x
    x = 28,405,153,540.16/189,294.48
  6. Step 6: Final answer
    x = 150,058.01

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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.