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Finding the Fourth Proportional to 96,553.44, 133,243.44 and 56,291.04

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Solution

The fourth proportional to 96,553.44, 133,243.44 and 56,291.04 is: 77,681.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,553.44 : 133,243.44 = 56,291.04 : x
  2. Step 2: Convert to fraction form
    96,553.44/133,243.44 = 56,291.04/x
  3. Step 3: Cross multiply
    96,553.44x = 133,243.44 × 56,291.04
  4. Step 4: Simplify right side
    96,553.44x = 7,500,411,810.78
  5. Step 5: Solve for x
    x = 7,500,411,810.78/96,553.44
  6. Step 6: Final answer
    x = 77,681.46

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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.