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Finding the Fourth Proportional to 217,244.01, 299,740.44 and 131,134.93

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Solution

The fourth proportional to 217,244.01, 299,740.44 and 131,134.93 is: 180,932.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,244.01 : 299,740.44 = 131,134.93 : x
  2. Step 2: Convert to fraction form
    217,244.01/299,740.44 = 131,134.93/x
  3. Step 3: Cross multiply
    217,244.01x = 299,740.44 × 131,134.93
  4. Step 4: Simplify right side
    217,244.01x = 39,306,441,617.57
  5. Step 5: Solve for x
    x = 39,306,441,617.57/217,244.01
  6. Step 6: Final answer
    x = 180,932.22

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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.