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Finding the Fourth Proportional to 273,001.77, 376,742.79 and 152,140.37

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Solution

The fourth proportional to 273,001.77, 376,742.79 and 152,140.37 is: 209,953.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,001.77 : 376,742.79 = 152,140.37 : x
  2. Step 2: Convert to fraction form
    273,001.77/376,742.79 = 152,140.37/x
  3. Step 3: Cross multiply
    273,001.77x = 376,742.79 × 152,140.37
  4. Step 4: Simplify right side
    273,001.77x = 57,317,785,581.72
  5. Step 5: Solve for x
    x = 57,317,785,581.72/273,001.77
  6. Step 6: Final answer
    x = 209,953.90

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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.