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Finding the Fourth Proportional to 207,224.60, 310,827.65 and 65,066.49

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Solution

The fourth proportional to 207,224.60, 310,827.65 and 65,066.49 is: 97,596.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,224.60 : 310,827.65 = 65,066.49 : x
  2. Step 2: Convert to fraction form
    207,224.60/310,827.65 = 65,066.49/x
  3. Step 3: Cross multiply
    207,224.60x = 310,827.65 × 65,066.49
  4. Step 4: Simplify right side
    207,224.60x = 20,224,463,855.12
  5. Step 5: Solve for x
    x = 20,224,463,855.12/207,224.60
  6. Step 6: Final answer
    x = 97,596.83

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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.