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Finding the Fourth Proportional to 70,840.62, 97,669.26 and 58,046.67

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Solution

The fourth proportional to 70,840.62, 97,669.26 and 58,046.67 is: 80,030.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,840.62 : 97,669.26 = 58,046.67 : x
  2. Step 2: Convert to fraction form
    70,840.62/97,669.26 = 58,046.67/x
  3. Step 3: Cross multiply
    70,840.62x = 97,669.26 × 58,046.67
  4. Step 4: Simplify right side
    70,840.62x = 5,669,375,304.36
  5. Step 5: Solve for x
    x = 5,669,375,304.36/70,840.62
  6. Step 6: Final answer
    x = 80,030.01

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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.