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Finding the Fourth Proportional to 243,652.42, 336,281.88 and 141,736.96

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Solution

The fourth proportional to 243,652.42, 336,281.88 and 141,736.96 is: 195,621.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,652.42 : 336,281.88 = 141,736.96 : x
  2. Step 2: Convert to fraction form
    243,652.42/336,281.88 = 141,736.96/x
  3. Step 3: Cross multiply
    243,652.42x = 336,281.88 × 141,736.96
  4. Step 4: Simplify right side
    243,652.42x = 47,663,571,374.28
  5. Step 5: Solve for x
    x = 47,663,571,374.28/243,652.42
  6. Step 6: Final answer
    x = 195,621.17

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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.