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Finding the Fourth Proportional to 273,776.85, 377,808.06 and 152,919.84

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Solution

The fourth proportional to 273,776.85, 377,808.06 and 152,919.84 is: 211,027.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,776.85 : 377,808.06 = 152,919.84 : x
  2. Step 2: Convert to fraction form
    273,776.85/377,808.06 = 152,919.84/x
  3. Step 3: Cross multiply
    273,776.85x = 377,808.06 × 152,919.84
  4. Step 4: Simplify right side
    273,776.85x = 57,774,348,085.91
  5. Step 5: Solve for x
    x = 57,774,348,085.91/273,776.85
  6. Step 6: Final answer
    x = 211,027.15

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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.