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Finding the Fourth Proportional to 134,874.98, 186,124.63 and 73,619.15

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Solution

The fourth proportional to 134,874.98, 186,124.63 and 73,619.15 is: 101,592.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,874.98 : 186,124.63 = 73,619.15 : x
  2. Step 2: Convert to fraction form
    134,874.98/186,124.63 = 73,619.15/x
  3. Step 3: Cross multiply
    134,874.98x = 186,124.63 × 73,619.15
  4. Step 4: Simplify right side
    134,874.98x = 13,702,337,054.66
  5. Step 5: Solve for x
    x = 13,702,337,054.66/134,874.98
  6. Step 6: Final answer
    x = 101,592.88

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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.