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Finding the Fourth Proportional to 273,314.25, 377,155.44 and 157,031.46

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Solution

The fourth proportional to 273,314.25, 377,155.44 and 157,031.46 is: 216,692.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,314.25 : 377,155.44 = 157,031.46 : x
  2. Step 2: Convert to fraction form
    273,314.25/377,155.44 = 157,031.46/x
  3. Step 3: Cross multiply
    273,314.25x = 377,155.44 × 157,031.46
  4. Step 4: Simplify right side
    273,314.25x = 59,225,269,390.14
  5. Step 5: Solve for x
    x = 59,225,269,390.14/273,314.25
  6. Step 6: Final answer
    x = 216,692.94

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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.