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Finding the Fourth Proportional to 243,398.04, 335,888.46 and 134,499.34

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Solution

The fourth proportional to 243,398.04, 335,888.46 and 134,499.34 is: 185,608.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,398.04 : 335,888.46 = 134,499.34 : x
  2. Step 2: Convert to fraction form
    243,398.04/335,888.46 = 134,499.34/x
  3. Step 3: Cross multiply
    243,398.04x = 335,888.46 × 134,499.34
  4. Step 4: Simplify right side
    243,398.04x = 45,176,776,183.62
  5. Step 5: Solve for x
    x = 45,176,776,183.62/243,398.04
  6. Step 6: Final answer
    x = 185,608.63

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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.