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Finding the Fourth Proportional to 273,818.75, 377,870.67 and 152,964.72

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Solution

The fourth proportional to 273,818.75, 377,870.67 and 152,964.72 is: 211,091.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,818.75 : 377,870.67 = 152,964.72 : x
  2. Step 2: Convert to fraction form
    273,818.75/377,870.67 = 152,964.72/x
  3. Step 3: Cross multiply
    273,818.75x = 377,870.67 × 152,964.72
  4. Step 4: Simplify right side
    273,818.75x = 57,800,881,232.76
  5. Step 5: Solve for x
    x = 57,800,881,232.76/273,818.75
  6. Step 6: Final answer
    x = 211,091.76

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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.