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Finding the Fourth Proportional to 180,051.63, 248,473.86 and 99,481.02

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Solution

The fourth proportional to 180,051.63, 248,473.86 and 99,481.02 is: 137,285.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,051.63 : 248,473.86 = 99,481.02 : x
  2. Step 2: Convert to fraction form
    180,051.63/248,473.86 = 99,481.02/x
  3. Step 3: Cross multiply
    180,051.63x = 248,473.86 × 99,481.02
  4. Step 4: Simplify right side
    180,051.63x = 24,718,433,036.14
  5. Step 5: Solve for x
    x = 24,718,433,036.14/180,051.63
  6. Step 6: Final answer
    x = 137,285.25

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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.