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Finding the Fourth Proportional to 273,753.83, 377,742.93 and 152,879.70

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Solution

The fourth proportional to 273,753.83, 377,742.93 and 152,879.70 is: 210,953.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,753.83 : 377,742.93 = 152,879.70 : x
  2. Step 2: Convert to fraction form
    273,753.83/377,742.93 = 152,879.70/x
  3. Step 3: Cross multiply
    273,753.83x = 377,742.93 × 152,879.70
  4. Step 4: Simplify right side
    273,753.83x = 57,749,225,815.52
  5. Step 5: Solve for x
    x = 57,749,225,815.52/273,753.83
  6. Step 6: Final answer
    x = 210,953.12

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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.