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Finding the Fourth Proportional to 70,455.82, 97,232.94 and 40,250.95

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Solution

The fourth proportional to 70,455.82, 97,232.94 and 40,250.95 is: 55,548.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,455.82 : 97,232.94 = 40,250.95 : x
  2. Step 2: Convert to fraction form
    70,455.82/97,232.94 = 40,250.95/x
  3. Step 3: Cross multiply
    70,455.82x = 97,232.94 × 40,250.95
  4. Step 4: Simplify right side
    70,455.82x = 3,913,718,206.29
  5. Step 5: Solve for x
    x = 3,913,718,206.29/70,455.82
  6. Step 6: Final answer
    x = 55,548.54

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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.