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Finding the Fourth Proportional to 180,179.68, 248,678.88 and 104,772

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Solution

The fourth proportional to 180,179.68, 248,678.88 and 104,772 is: 144,603.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,179.68 : 248,678.88 = 104,772 : x
  2. Step 2: Convert to fraction form
    180,179.68/248,678.88 = 104,772/x
  3. Step 3: Cross multiply
    180,179.68x = 248,678.88 × 104,772
  4. Step 4: Simplify right side
    180,179.68x = 26,054,583,615.36
  5. Step 5: Solve for x
    x = 26,054,583,615.36/180,179.68
  6. Step 6: Final answer
    x = 144,603.34

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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.