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Finding the Fourth Proportional to 105,373.63, 158,060.26 and 49,194.91

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Solution

The fourth proportional to 105,373.63, 158,060.26 and 49,194.91 is: 73,792.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,373.63 : 158,060.26 = 49,194.91 : x
  2. Step 2: Convert to fraction form
    105,373.63/158,060.26 = 49,194.91/x
  3. Step 3: Cross multiply
    105,373.63x = 158,060.26 × 49,194.91
  4. Step 4: Simplify right side
    105,373.63x = 7,775,760,265.28
  5. Step 5: Solve for x
    x = 7,775,760,265.28/105,373.63
  6. Step 6: Final answer
    x = 73,792.28

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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.