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Finding the Fourth Proportional to 243,616.44, 336,210.16 and 140,282.88

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Solution

The fourth proportional to 243,616.44, 336,210.16 and 140,282.88 is: 193,601.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,616.44 : 336,210.16 = 140,282.88 : x
  2. Step 2: Convert to fraction form
    243,616.44/336,210.16 = 140,282.88/x
  3. Step 3: Cross multiply
    243,616.44x = 336,210.16 × 140,282.88
  4. Step 4: Simplify right side
    243,616.44x = 47,164,529,530.06
  5. Step 5: Solve for x
    x = 47,164,529,530.06/243,616.44
  6. Step 6: Final answer
    x = 193,601.59

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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.