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Finding the Fourth Proportional to 127,896.66, 176,499.60 and 70,542.54

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Solution

The fourth proportional to 127,896.66, 176,499.60 and 70,542.54 is: 97,349.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,896.66 : 176,499.60 = 70,542.54 : x
  2. Step 2: Convert to fraction form
    127,896.66/176,499.60 = 70,542.54/x
  3. Step 3: Cross multiply
    127,896.66x = 176,499.60 × 70,542.54
  4. Step 4: Simplify right side
    127,896.66x = 12,450,730,092.98
  5. Step 5: Solve for x
    x = 12,450,730,092.98/127,896.66
  6. Step 6: Final answer
    x = 97,349.92

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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.