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Finding the Fourth Proportional to 243,801.84, 336,311.10 and 141,815.82

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Solution

The fourth proportional to 243,801.84, 336,311.10 and 141,815.82 is: 195,627.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,801.84 : 336,311.10 = 141,815.82 : x
  2. Step 2: Convert to fraction form
    243,801.84/336,311.10 = 141,815.82/x
  3. Step 3: Cross multiply
    243,801.84x = 336,311.10 × 141,815.82
  4. Step 4: Simplify right side
    243,801.84x = 47,694,234,421.60
  5. Step 5: Solve for x
    x = 47,694,234,421.60/243,801.84
  6. Step 6: Final answer
    x = 195,627.05

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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.