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Finding the Fourth Proportional to 101,354.52, 139,868.33 and 56,033.66

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Solution

The fourth proportional to 101,354.52, 139,868.33 and 56,033.66 is: 77,325.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,354.52 : 139,868.33 = 56,033.66 : x
  2. Step 2: Convert to fraction form
    101,354.52/139,868.33 = 56,033.66/x
  3. Step 3: Cross multiply
    101,354.52x = 139,868.33 × 56,033.66
  4. Step 4: Simplify right side
    101,354.52x = 7,837,333,468.48
  5. Step 5: Solve for x
    x = 7,837,333,468.48/101,354.52
  6. Step 6: Final answer
    x = 77,325.94

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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.