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Finding the Fourth Proportional to 217,410.98, 300,030.24 and 131,358.02

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Solution

The fourth proportional to 217,410.98, 300,030.24 and 131,358.02 is: 181,275.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,410.98 : 300,030.24 = 131,358.02 : x
  2. Step 2: Convert to fraction form
    217,410.98/300,030.24 = 131,358.02/x
  3. Step 3: Cross multiply
    217,410.98x = 300,030.24 × 131,358.02
  4. Step 4: Simplify right side
    217,410.98x = 39,411,378,266.52
  5. Step 5: Solve for x
    x = 39,411,378,266.52/217,410.98
  6. Step 6: Final answer
    x = 181,275.93

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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.