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Finding the Fourth Proportional to 180,199.88, 248,668.50 and 99,622.28

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Solution

The fourth proportional to 180,199.88, 248,668.50 and 99,622.28 is: 137,474.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,199.88 : 248,668.50 = 99,622.28 : x
  2. Step 2: Convert to fraction form
    180,199.88/248,668.50 = 99,622.28/x
  3. Step 3: Cross multiply
    180,199.88x = 248,668.50 × 99,622.28
  4. Step 4: Simplify right side
    180,199.88x = 24,772,922,934.18
  5. Step 5: Solve for x
    x = 24,772,922,934.18/180,199.88
  6. Step 6: Final answer
    x = 137,474.69

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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.