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Finding the Fourth Proportional to 243,140.04, 335,687.34 and 166,787.04

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Solution

The fourth proportional to 243,140.04, 335,687.34 and 166,787.04 is: 230,271.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,140.04 : 335,687.34 = 166,787.04 : x
  2. Step 2: Convert to fraction form
    243,140.04/335,687.34 = 166,787.04/x
  3. Step 3: Cross multiply
    243,140.04x = 335,687.34 × 166,787.04
  4. Step 4: Simplify right side
    243,140.04x = 55,988,297,804.07
  5. Step 5: Solve for x
    x = 55,988,297,804.07/243,140.04
  6. Step 6: Final answer
    x = 230,271.81

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1.5x scale

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.