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Finding the Fourth Proportional to 273,779.72, 377,812.02 and 152,922.72

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Solution

The fourth proportional to 273,779.72, 377,812.02 and 152,922.72 is: 211,031.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,779.72 : 377,812.02 = 152,922.72 : x
  2. Step 2: Convert to fraction form
    273,779.72/377,812.02 = 152,922.72/x
  3. Step 3: Cross multiply
    273,779.72x = 377,812.02 × 152,922.72
  4. Step 4: Simplify right side
    273,779.72x = 57,776,041,747.09
  5. Step 5: Solve for x
    x = 57,776,041,747.09/273,779.72
  6. Step 6: Final answer
    x = 211,031.12

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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.