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Finding the Fourth Proportional to 243,643.66, 365,527.78 and 93,843.74

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Solution

The fourth proportional to 243,643.66, 365,527.78 and 93,843.74 is: 140,789.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,643.66 : 365,527.78 = 93,843.74 : x
  2. Step 2: Convert to fraction form
    243,643.66/365,527.78 = 93,843.74/x
  3. Step 3: Cross multiply
    243,643.66x = 365,527.78 × 93,843.74
  4. Step 4: Simplify right side
    243,643.66x = 34,302,494,628.31
  5. Step 5: Solve for x
    x = 34,302,494,628.31/243,643.66
  6. Step 6: Final answer
    x = 140,789.61

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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.