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Finding the Fourth Proportional to 70,795.80, 97,678.44 and 43,939.44

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Solution

The fourth proportional to 70,795.80, 97,678.44 and 43,939.44 is: 60,624.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,795.80 : 97,678.44 = 43,939.44 : x
  2. Step 2: Convert to fraction form
    70,795.80/97,678.44 = 43,939.44/x
  3. Step 3: Cross multiply
    70,795.80x = 97,678.44 × 43,939.44
  4. Step 4: Simplify right side
    70,795.80x = 4,291,935,953.67
  5. Step 5: Solve for x
    x = 4,291,935,953.67/70,795.80
  6. Step 6: Final answer
    x = 60,624.16

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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.