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Finding the Fourth Proportional to 273,138.98, 376,933.38 and 152,287.88

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Solution

The fourth proportional to 273,138.98, 376,933.38 and 152,287.88 is: 210,158.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,138.98 : 376,933.38 = 152,287.88 : x
  2. Step 2: Convert to fraction form
    273,138.98/376,933.38 = 152,287.88/x
  3. Step 3: Cross multiply
    273,138.98x = 376,933.38 × 152,287.88
  4. Step 4: Simplify right side
    273,138.98x = 57,402,385,341.43
  5. Step 5: Solve for x
    x = 57,402,385,341.43/273,138.98
  6. Step 6: Final answer
    x = 210,158.16

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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.