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Finding the Fourth Proportional to 273,219.82, 377,045 and 152,368.75

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Solution

The fourth proportional to 273,219.82, 377,045 and 152,368.75 is: 210,269.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,219.82 : 377,045 = 152,368.75 : x
  2. Step 2: Convert to fraction form
    273,219.82/377,045 = 152,368.75/x
  3. Step 3: Cross multiply
    273,219.82x = 377,045 × 152,368.75
  4. Step 4: Simplify right side
    273,219.82x = 57,449,875,343.75
  5. Step 5: Solve for x
    x = 57,449,875,343.75/273,219.82
  6. Step 6: Final answer
    x = 210,269.79

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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.