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Finding the Fourth Proportional to 134,122.66, 201,215.12 and 39,349

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Solution

The fourth proportional to 134,122.66, 201,215.12 and 39,349 is: 59,032.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,122.66 : 201,215.12 = 39,349 : x
  2. Step 2: Convert to fraction form
    134,122.66/201,215.12 = 39,349/x
  3. Step 3: Cross multiply
    134,122.66x = 201,215.12 × 39,349
  4. Step 4: Simplify right side
    134,122.66x = 7,917,613,756.88
  5. Step 5: Solve for x
    x = 7,917,613,756.88/134,122.66
  6. Step 6: Final answer
    x = 59,032.63

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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.