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Finding the Fourth Proportional to 114,064.62, 157,404.66 and 63,074.04

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Solution

The fourth proportional to 114,064.62, 157,404.66 and 63,074.04 is: 87,039.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,064.62 : 157,404.66 = 63,074.04 : x
  2. Step 2: Convert to fraction form
    114,064.62/157,404.66 = 63,074.04/x
  3. Step 3: Cross multiply
    114,064.62x = 157,404.66 × 63,074.04
  4. Step 4: Simplify right side
    114,064.62x = 9,928,147,821.03
  5. Step 5: Solve for x
    x = 9,928,147,821.03/114,064.62
  6. Step 6: Final answer
    x = 87,039.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.