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Finding the Fourth Proportional to 98,297.56, 147,214.84 and 64,934.88

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Solution

The fourth proportional to 98,297.56, 147,214.84 and 64,934.88 is: 97,249.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,297.56 : 147,214.84 = 64,934.88 : x
  2. Step 2: Convert to fraction form
    98,297.56/147,214.84 = 64,934.88/x
  3. Step 3: Cross multiply
    98,297.56x = 147,214.84 × 64,934.88
  4. Step 4: Simplify right side
    98,297.56x = 9,559,377,969.62
  5. Step 5: Solve for x
    x = 9,559,377,969.62/98,297.56
  6. Step 6: Final answer
    x = 97,249.39

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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.