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Finding the Fourth Proportional to 273,373.38, 377,264.61 and 158,643.18

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Solution

The fourth proportional to 273,373.38, 377,264.61 and 158,643.18 is: 218,933.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,373.38 : 377,264.61 = 158,643.18 : x
  2. Step 2: Convert to fraction form
    273,373.38/377,264.61 = 158,643.18/x
  3. Step 3: Cross multiply
    273,373.38x = 377,264.61 × 158,643.18
  4. Step 4: Simplify right side
    273,373.38x = 59,850,457,431.86
  5. Step 5: Solve for x
    x = 59,850,457,431.86/273,373.38
  6. Step 6: Final answer
    x = 218,933.01

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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.