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Finding the Fourth Proportional to 180,127.16, 248,584.92 and 103,657.92

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Solution

The fourth proportional to 180,127.16, 248,584.92 and 103,657.92 is: 143,053.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,127.16 : 248,584.92 = 103,657.92 : x
  2. Step 2: Convert to fraction form
    180,127.16/248,584.92 = 103,657.92/x
  3. Step 3: Cross multiply
    180,127.16x = 248,584.92 × 103,657.92
  4. Step 4: Simplify right side
    180,127.16x = 25,767,795,750.57
  5. Step 5: Solve for x
    x = 25,767,795,750.57/180,127.16
  6. Step 6: Final answer
    x = 143,053.36

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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.