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Finding the Fourth Proportional to 134,085.74, 185,039.52 and 73,657.62

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Solution

The fourth proportional to 134,085.74, 185,039.52 and 73,657.62 is: 101,648.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,085.74 : 185,039.52 = 73,657.62 : x
  2. Step 2: Convert to fraction form
    134,085.74/185,039.52 = 73,657.62/x
  3. Step 3: Cross multiply
    134,085.74x = 185,039.52 × 73,657.62
  4. Step 4: Simplify right side
    134,085.74x = 13,629,570,649.14
  5. Step 5: Solve for x
    x = 13,629,570,649.14/134,085.74
  6. Step 6: Final answer
    x = 101,648.17

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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.