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Finding the Fourth Proportional to 273,645.17, 377,626.75 and 152,788.51

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Solution

The fourth proportional to 273,645.17, 377,626.75 and 152,788.51 is: 210,846.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,645.17 : 377,626.75 = 152,788.51 : x
  2. Step 2: Convert to fraction form
    273,645.17/377,626.75 = 152,788.51/x
  3. Step 3: Cross multiply
    273,645.17x = 377,626.75 × 152,788.51
  4. Step 4: Simplify right side
    273,645.17x = 57,697,028,468.64
  5. Step 5: Solve for x
    x = 57,697,028,468.64/273,645.17
  6. Step 6: Final answer
    x = 210,846.14

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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.