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Finding the Fourth Proportional to 243,437.49, 335,877.01 and 166,975.51

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Solution

The fourth proportional to 243,437.49, 335,877.01 and 166,975.51 is: 230,380.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,437.49 : 335,877.01 = 166,975.51 : x
  2. Step 2: Convert to fraction form
    243,437.49/335,877.01 = 166,975.51/x
  3. Step 3: Cross multiply
    243,437.49x = 335,877.01 × 166,975.51
  4. Step 4: Simplify right side
    243,437.49x = 56,083,235,042.03
  5. Step 5: Solve for x
    x = 56,083,235,042.03/243,437.49
  6. Step 6: Final answer
    x = 230,380.44

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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.