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Finding the Fourth Proportional to 273,007.16, 376,744.20 and 152,159.48

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Solution

The fourth proportional to 273,007.16, 376,744.20 and 152,159.48 is: 209,976.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,007.16 : 376,744.20 = 152,159.48 : x
  2. Step 2: Convert to fraction form
    273,007.16/376,744.20 = 152,159.48/x
  3. Step 3: Cross multiply
    273,007.16x = 376,744.20 × 152,159.48
  4. Step 4: Simplify right side
    273,007.16x = 57,325,201,565.02
  5. Step 5: Solve for x
    x = 57,325,201,565.02/273,007.16
  6. Step 6: Final answer
    x = 209,976.92

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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.