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Finding the Fourth Proportional to 98,504.32, 147,887.28 and 45,950.56

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Solution

The fourth proportional to 98,504.32, 147,887.28 and 45,950.56 is: 68,986.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,504.32 : 147,887.28 = 45,950.56 : x
  2. Step 2: Convert to fraction form
    98,504.32/147,887.28 = 45,950.56/x
  3. Step 3: Cross multiply
    98,504.32x = 147,887.28 × 45,950.56
  4. Step 4: Simplify right side
    98,504.32x = 6,795,503,332.88
  5. Step 5: Solve for x
    x = 6,795,503,332.88/98,504.32
  6. Step 6: Final answer
    x = 68,986.86

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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.