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Finding the Fourth Proportional to 273,789.79, 377,818.63 and 152,930.50

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Solution

The fourth proportional to 273,789.79, 377,818.63 and 152,930.50 is: 211,037.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,789.79 : 377,818.63 = 152,930.50 : x
  2. Step 2: Convert to fraction form
    273,789.79/377,818.63 = 152,930.50/x
  3. Step 3: Cross multiply
    273,789.79x = 377,818.63 × 152,930.50
  4. Step 4: Simplify right side
    273,789.79x = 57,779,991,995.22
  5. Step 5: Solve for x
    x = 57,779,991,995.22/273,789.79
  6. Step 6: Final answer
    x = 211,037.79

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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.