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Finding the Fourth Proportional to 243,570.58, 365,262.36 and 83,616.69

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Solution

The fourth proportional to 243,570.58, 365,262.36 and 83,616.69 is: 125,392.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,570.58 : 365,262.36 = 83,616.69 : x
  2. Step 2: Convert to fraction form
    243,570.58/365,262.36 = 83,616.69/x
  3. Step 3: Cross multiply
    243,570.58x = 365,262.36 × 83,616.69
  4. Step 4: Simplify right side
    243,570.58x = 30,542,029,524.79
  5. Step 5: Solve for x
    x = 30,542,029,524.79/243,570.58
  6. Step 6: Final answer
    x = 125,392.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.