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Finding the Fourth Proportional to 180,343.35, 248,852.18 and 103,887.45

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Solution

The fourth proportional to 180,343.35, 248,852.18 and 103,887.45 is: 143,352.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,343.35 : 248,852.18 = 103,887.45 : x
  2. Step 2: Convert to fraction form
    180,343.35/248,852.18 = 103,887.45/x
  3. Step 3: Cross multiply
    180,343.35x = 248,852.18 × 103,887.45
  4. Step 4: Simplify right side
    180,343.35x = 25,852,617,887.70
  5. Step 5: Solve for x
    x = 25,852,617,887.70/180,343.35
  6. Step 6: Final answer
    x = 143,352.21

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.