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Finding the Fourth Proportional to 273,866.68, 377,929.04 and 153,008.87

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Solution

The fourth proportional to 273,866.68, 377,929.04 and 153,008.87 is: 211,148.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,866.68 : 377,929.04 = 153,008.87 : x
  2. Step 2: Convert to fraction form
    273,866.68/377,929.04 = 153,008.87/x
  3. Step 3: Cross multiply
    273,866.68x = 377,929.04 × 153,008.87
  4. Step 4: Simplify right side
    273,866.68x = 57,826,496,745.35
  5. Step 5: Solve for x
    x = 57,826,496,745.35/273,866.68
  6. Step 6: Final answer
    x = 211,148.35

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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.