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Finding the Fourth Proportional to 105,616.13, 158,424.19 and 35,495.44

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Solution

The fourth proportional to 105,616.13, 158,424.19 and 35,495.44 is: 53,243.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,616.13 : 158,424.19 = 35,495.44 : x
  2. Step 2: Convert to fraction form
    105,616.13/158,424.19 = 35,495.44/x
  3. Step 3: Cross multiply
    105,616.13x = 158,424.19 × 35,495.44
  4. Step 4: Simplify right side
    105,616.13x = 5,623,335,845.89
  5. Step 5: Solve for x
    x = 5,623,335,845.89/105,616.13
  6. Step 6: Final answer
    x = 53,243.16

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1.5x scale

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.