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Finding the Fourth Proportional to 70,509.52, 97,334.40 and 45,049.36

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Solution

The fourth proportional to 70,509.52, 97,334.40 and 45,049.36 is: 62,188.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,509.52 : 97,334.40 = 45,049.36 : x
  2. Step 2: Convert to fraction form
    70,509.52/97,334.40 = 45,049.36/x
  3. Step 3: Cross multiply
    70,509.52x = 97,334.40 × 45,049.36
  4. Step 4: Simplify right side
    70,509.52x = 4,384,852,425.98
  5. Step 5: Solve for x
    x = 4,384,852,425.98/70,509.52
  6. Step 6: Final answer
    x = 62,188.09

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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.