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Finding the Fourth Proportional to 207,066.74, 310,607.06 and 57,294.53

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Solution

The fourth proportional to 207,066.74, 310,607.06 and 57,294.53 is: 85,943.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,066.74 : 310,607.06 = 57,294.53 : x
  2. Step 2: Convert to fraction form
    207,066.74/310,607.06 = 57,294.53/x
  3. Step 3: Cross multiply
    207,066.74x = 310,607.06 × 57,294.53
  4. Step 4: Simplify right side
    207,066.74x = 17,796,083,677.87
  5. Step 5: Solve for x
    x = 17,796,083,677.87/207,066.74
  6. Step 6: Final answer
    x = 85,943.71

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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.