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Finding the Fourth Proportional to 273,236, 377,068.56 and 154,004

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Solution

The fourth proportional to 273,236, 377,068.56 and 154,004 is: 212,527.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,236 : 377,068.56 = 154,004 : x
  2. Step 2: Convert to fraction form
    273,236/377,068.56 = 154,004/x
  3. Step 3: Cross multiply
    273,236x = 377,068.56 × 154,004
  4. Step 4: Simplify right side
    273,236x = 58,070,066,514.24
  5. Step 5: Solve for x
    x = 58,070,066,514.24/273,236
  6. Step 6: Final answer
    x = 212,527.14

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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.