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Finding the Fourth Proportional to 134,468.70, 185,564.76 and 80,058.84

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Solution

The fourth proportional to 134,468.70, 185,564.76 and 80,058.84 is: 110,479.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,468.70 : 185,564.76 = 80,058.84 : x
  2. Step 2: Convert to fraction form
    134,468.70/185,564.76 = 80,058.84/x
  3. Step 3: Cross multiply
    134,468.70x = 185,564.76 × 80,058.84
  4. Step 4: Simplify right side
    134,468.70x = 14,856,099,430.48
  5. Step 5: Solve for x
    x = 14,856,099,430.48/134,468.70
  6. Step 6: Final answer
    x = 110,479.98

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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.