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Finding the Fourth Proportional to 180,398.44, 248,985.06 and 108,790.12

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Solution

The fourth proportional to 180,398.44, 248,985.06 and 108,790.12 is: 150,151.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,398.44 : 248,985.06 = 108,790.12 : x
  2. Step 2: Convert to fraction form
    180,398.44/248,985.06 = 108,790.12/x
  3. Step 3: Cross multiply
    180,398.44x = 248,985.06 × 108,790.12
  4. Step 4: Simplify right side
    180,398.44x = 27,087,114,555.61
  5. Step 5: Solve for x
    x = 27,087,114,555.61/180,398.44
  6. Step 6: Final answer
    x = 150,151.60

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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.