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Finding the Fourth Proportional to 125,044.34, 187,509.77 and 53,933.37

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Solution

The fourth proportional to 125,044.34, 187,509.77 and 53,933.37 is: 80,875.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,044.34 : 187,509.77 = 53,933.37 : x
  2. Step 2: Convert to fraction form
    125,044.34/187,509.77 = 53,933.37/x
  3. Step 3: Cross multiply
    125,044.34x = 187,509.77 × 53,933.37
  4. Step 4: Simplify right side
    125,044.34x = 10,113,033,033.45
  5. Step 5: Solve for x
    x = 10,113,033,033.45/125,044.34
  6. Step 6: Final answer
    x = 80,875.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.