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Finding the Fourth Proportional to 89,598.88, 134,481.48 and 45,256.80

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Solution

The fourth proportional to 89,598.88, 134,481.48 and 45,256.80 is: 67,927.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,598.88 : 134,481.48 = 45,256.80 : x
  2. Step 2: Convert to fraction form
    89,598.88/134,481.48 = 45,256.80/x
  3. Step 3: Cross multiply
    89,598.88x = 134,481.48 × 45,256.80
  4. Step 4: Simplify right side
    89,598.88x = 6,086,201,444.06
  5. Step 5: Solve for x
    x = 6,086,201,444.06/89,598.88
  6. Step 6: Final answer
    x = 67,927.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.