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Finding the Fourth Proportional to 180,286.03, 248,630.12 and 154,784.24

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Solution

The fourth proportional to 180,286.03, 248,630.12 and 154,784.24 is: 213,460.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,286.03 : 248,630.12 = 154,784.24 : x
  2. Step 2: Convert to fraction form
    180,286.03/248,630.12 = 154,784.24/x
  3. Step 3: Cross multiply
    180,286.03x = 248,630.12 × 154,784.24
  4. Step 4: Simplify right side
    180,286.03x = 38,484,024,577.98
  5. Step 5: Solve for x
    x = 38,484,024,577.98/180,286.03
  6. Step 6: Final answer
    x = 213,460.94

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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.