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Finding the Fourth Proportional to 134,661.66, 201,992.16 and 39,899.22

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Solution

The fourth proportional to 134,661.66, 201,992.16 and 39,899.22 is: 59,848.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,661.66 : 201,992.16 = 39,899.22 : x
  2. Step 2: Convert to fraction form
    134,661.66/201,992.16 = 39,899.22/x
  3. Step 3: Cross multiply
    134,661.66x = 201,992.16 × 39,899.22
  4. Step 4: Simplify right side
    134,661.66x = 8,059,329,630.12
  5. Step 5: Solve for x
    x = 8,059,329,630.12/134,661.66
  6. Step 6: Final answer
    x = 59,848.73

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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.