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Finding the Fourth Proportional to 243,597.96, 335,998.40 and 158,829.84

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Solution

The fourth proportional to 243,597.96, 335,998.40 and 158,829.84 is: 219,076.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,597.96 : 335,998.40 = 158,829.84 : x
  2. Step 2: Convert to fraction form
    243,597.96/335,998.40 = 158,829.84/x
  3. Step 3: Cross multiply
    243,597.96x = 335,998.40 × 158,829.84
  4. Step 4: Simplify right side
    243,597.96x = 53,366,571,318.11
  5. Step 5: Solve for x
    x = 53,366,571,318.11/243,597.96
  6. Step 6: Final answer
    x = 219,076.43

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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.