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Finding the Fourth Proportional to 66,452.48, 99,700.32 and 44,355.68

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Solution

The fourth proportional to 66,452.48, 99,700.32 and 44,355.68 is: 66,547.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,452.48 : 99,700.32 = 44,355.68 : x
  2. Step 2: Convert to fraction form
    66,452.48/99,700.32 = 44,355.68/x
  3. Step 3: Cross multiply
    66,452.48x = 99,700.32 × 44,355.68
  4. Step 4: Simplify right side
    66,452.48x = 4,422,275,489.82
  5. Step 5: Solve for x
    x = 4,422,275,489.82/66,452.48
  6. Step 6: Final answer
    x = 66,547.94

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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.