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Finding the Fourth Proportional to 180,296.31, 248,792.19 and 99,722.11

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Solution

The fourth proportional to 180,296.31, 248,792.19 and 99,722.11 is: 137,607.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,296.31 : 248,792.19 = 99,722.11 : x
  2. Step 2: Convert to fraction form
    180,296.31/248,792.19 = 99,722.11/x
  3. Step 3: Cross multiply
    180,296.31x = 248,792.19 × 99,722.11
  4. Step 4: Simplify right side
    180,296.31x = 24,810,080,395.75
  5. Step 5: Solve for x
    x = 24,810,080,395.75/180,296.31
  6. Step 6: Final answer
    x = 137,607.26

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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.