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Finding the Fourth Proportional to 96,393.98, 133,020.95 and 56,106.87

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Solution

The fourth proportional to 96,393.98, 133,020.95 and 56,106.87 is: 77,425.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,393.98 : 133,020.95 = 56,106.87 : x
  2. Step 2: Convert to fraction form
    96,393.98/133,020.95 = 56,106.87/x
  3. Step 3: Cross multiply
    96,393.98x = 133,020.95 × 56,106.87
  4. Step 4: Simplify right side
    96,393.98x = 7,463,388,868.39
  5. Step 5: Solve for x
    x = 7,463,388,868.39/96,393.98
  6. Step 6: Final answer
    x = 77,425.89

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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.