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Finding the Fourth Proportional to 72,670.96, 100,244.97 and 45,767.26

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Solution

The fourth proportional to 72,670.96, 100,244.97 and 45,767.26 is: 63,133.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,670.96 : 100,244.97 = 45,767.26 : x
  2. Step 2: Convert to fraction form
    72,670.96/100,244.97 = 45,767.26/x
  3. Step 3: Cross multiply
    72,670.96x = 100,244.97 × 45,767.26
  4. Step 4: Simplify right side
    72,670.96x = 4,587,937,605.68
  5. Step 5: Solve for x
    x = 4,587,937,605.68/72,670.96
  6. Step 6: Final answer
    x = 63,133.03

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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.