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Finding the Fourth Proportional to 180,242.93, 248,736.86 and 99,675.88

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Solution

The fourth proportional to 180,242.93, 248,736.86 and 99,675.88 is: 137,553.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,242.93 : 248,736.86 = 99,675.88 : x
  2. Step 2: Convert to fraction form
    180,242.93/248,736.86 = 99,675.88/x
  3. Step 3: Cross multiply
    180,242.93x = 248,736.86 × 99,675.88
  4. Step 4: Simplify right side
    180,242.93x = 24,793,064,662.50
  5. Step 5: Solve for x
    x = 24,793,064,662.50/180,242.93
  6. Step 6: Final answer
    x = 137,553.60

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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.