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Finding the Fourth Proportional to 273,866.39, 377,937.52 and 153,012.77

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Solution

The fourth proportional to 273,866.39, 377,937.52 and 153,012.77 is: 211,158.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,866.39 : 377,937.52 = 153,012.77 : x
  2. Step 2: Convert to fraction form
    273,866.39/377,937.52 = 153,012.77/x
  3. Step 3: Cross multiply
    273,866.39x = 377,937.52 × 153,012.77
  4. Step 4: Simplify right side
    273,866.39x = 57,829,267,460.47
  5. Step 5: Solve for x
    x = 57,829,267,460.47/273,866.39
  6. Step 6: Final answer
    x = 211,158.69

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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.