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Finding the Fourth Proportional to 98,256.58, 147,414.06 and 45,697.30

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Solution

The fourth proportional to 98,256.58, 147,414.06 and 45,697.30 is: 68,559.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,256.58 : 147,414.06 = 45,697.30 : x
  2. Step 2: Convert to fraction form
    98,256.58/147,414.06 = 45,697.30/x
  3. Step 3: Cross multiply
    98,256.58x = 147,414.06 × 45,697.30
  4. Step 4: Simplify right side
    98,256.58x = 6,736,424,524.04
  5. Step 5: Solve for x
    x = 6,736,424,524.04/98,256.58
  6. Step 6: Final answer
    x = 68,559.53

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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.