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Finding the Fourth Proportional to 116,841.63, 161,237.63 and 73,844.20

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Solution

The fourth proportional to 116,841.63, 161,237.63 and 73,844.20 is: 101,902.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,841.63 : 161,237.63 = 73,844.20 : x
  2. Step 2: Convert to fraction form
    116,841.63/161,237.63 = 73,844.20/x
  3. Step 3: Cross multiply
    116,841.63x = 161,237.63 × 73,844.20
  4. Step 4: Simplify right side
    116,841.63x = 11,906,462,621.84
  5. Step 5: Solve for x
    x = 11,906,462,621.84/116,841.63
  6. Step 6: Final answer
    x = 101,902.57

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1.5x scale

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.