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Finding the Fourth Proportional to 180,369.88, 248,949.66 and 104,928.28

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Solution

The fourth proportional to 180,369.88, 248,949.66 and 104,928.28 is: 144,823.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,369.88 : 248,949.66 = 104,928.28 : x
  2. Step 2: Convert to fraction form
    180,369.88/248,949.66 = 104,928.28/x
  3. Step 3: Cross multiply
    180,369.88x = 248,949.66 × 104,928.28
  4. Step 4: Simplify right side
    180,369.88x = 26,121,859,630.38
  5. Step 5: Solve for x
    x = 26,121,859,630.38/180,369.88
  6. Step 6: Final answer
    x = 144,823.85

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1.5x scale

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.