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Finding the Fourth Proportional to 132,807.58, 199,270.03 and 69,612.58

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Solution

The fourth proportional to 132,807.58, 199,270.03 and 69,612.58 is: 104,449.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,807.58 : 199,270.03 = 69,612.58 : x
  2. Step 2: Convert to fraction form
    132,807.58/199,270.03 = 69,612.58/x
  3. Step 3: Cross multiply
    132,807.58x = 199,270.03 × 69,612.58
  4. Step 4: Simplify right side
    132,807.58x = 13,871,699,908.63
  5. Step 5: Solve for x
    x = 13,871,699,908.63/132,807.58
  6. Step 6: Final answer
    x = 104,449.61

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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.