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Finding the Fourth Proportional to 273,437.66, 377,423.18 and 158,742.07

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Solution

The fourth proportional to 273,437.66, 377,423.18 and 158,742.07 is: 219,110.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,437.66 : 377,423.18 = 158,742.07 : x
  2. Step 2: Convert to fraction form
    273,437.66/377,423.18 = 158,742.07/x
  3. Step 3: Cross multiply
    273,437.66x = 377,423.18 × 158,742.07
  4. Step 4: Simplify right side
    273,437.66x = 59,912,936,859.18
  5. Step 5: Solve for x
    x = 59,912,936,859.18/273,437.66
  6. Step 6: Final answer
    x = 219,110.04

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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.