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Finding the Fourth Proportional to 94,740, 130,738.68 and 52,297.62

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Solution

The fourth proportional to 94,740, 130,738.68 and 52,297.62 is: 72,169.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,740 : 130,738.68 = 52,297.62 : x
  2. Step 2: Convert to fraction form
    94,740/130,738.68 = 52,297.62/x
  3. Step 3: Cross multiply
    94,740x = 130,738.68 × 52,297.62
  4. Step 4: Simplify right side
    94,740x = 6,837,321,805.94
  5. Step 5: Solve for x
    x = 6,837,321,805.94/94,740
  6. Step 6: Final answer
    x = 72,169.32

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1.5x scale

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.