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Finding the Fourth Proportional to 243,596.34, 335,996.15 and 158,828.22

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Solution

The fourth proportional to 243,596.34, 335,996.15 and 158,828.22 is: 219,074.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,596.34 : 335,996.15 = 158,828.22 : x
  2. Step 2: Convert to fraction form
    243,596.34/335,996.15 = 158,828.22/x
  3. Step 3: Cross multiply
    243,596.34x = 335,996.15 × 158,828.22
  4. Step 4: Simplify right side
    243,596.34x = 53,365,670,431.35
  5. Step 5: Solve for x
    x = 53,365,670,431.35/243,596.34
  6. Step 6: Final answer
    x = 219,074.19

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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.