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Finding the Fourth Proportional to 210,549.92, 290,576.16 and 119,934.27

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Solution

The fourth proportional to 210,549.92, 290,576.16 and 119,934.27 is: 165,519.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,549.92 : 290,576.16 = 119,934.27 : x
  2. Step 2: Convert to fraction form
    210,549.92/290,576.16 = 119,934.27/x
  3. Step 3: Cross multiply
    210,549.92x = 290,576.16 × 119,934.27
  4. Step 4: Simplify right side
    210,549.92x = 34,850,039,629.00
  5. Step 5: Solve for x
    x = 34,850,039,629.00/210,549.92
  6. Step 6: Final answer
    x = 165,519.13

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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.