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Finding the Fourth Proportional to 273,140, 376,896.48 and 152,267.48

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Solution

The fourth proportional to 273,140, 376,896.48 and 152,267.48 is: 210,108.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,140 : 376,896.48 = 152,267.48 : x
  2. Step 2: Convert to fraction form
    273,140/376,896.48 = 152,267.48/x
  3. Step 3: Cross multiply
    273,140x = 376,896.48 × 152,267.48
  4. Step 4: Simplify right side
    273,140x = 57,389,077,230.47
  5. Step 5: Solve for x
    x = 57,389,077,230.47/273,140
  6. Step 6: Final answer
    x = 210,108.65

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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.