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Finding the Fourth Proportional to 70,447.38, 97,227.32 and 43,598.53

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Solution

The fourth proportional to 70,447.38, 97,227.32 and 43,598.53 is: 60,172.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,447.38 : 97,227.32 = 43,598.53 : x
  2. Step 2: Convert to fraction form
    70,447.38/97,227.32 = 43,598.53/x
  3. Step 3: Cross multiply
    70,447.38x = 97,227.32 × 43,598.53
  4. Step 4: Simplify right side
    70,447.38x = 4,238,968,227.84
  5. Step 5: Solve for x
    x = 4,238,968,227.84/70,447.38
  6. Step 6: Final answer
    x = 60,172.12

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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.