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Finding the Fourth Proportional to 70,803.30, 97,688.79 and 43,946.94

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Solution

The fourth proportional to 70,803.30, 97,688.79 and 43,946.94 is: 60,634.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,803.30 : 97,688.79 = 43,946.94 : x
  2. Step 2: Convert to fraction form
    70,803.30/97,688.79 = 43,946.94/x
  3. Step 3: Cross multiply
    70,803.30x = 97,688.79 × 43,946.94
  4. Step 4: Simplify right side
    70,803.30x = 4,293,123,392.80
  5. Step 5: Solve for x
    x = 4,293,123,392.80/70,803.30
  6. Step 6: Final answer
    x = 60,634.51

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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.