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Finding the Fourth Proportional to 243,800.84, 336,309.72 and 141,814.82

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Solution

The fourth proportional to 243,800.84, 336,309.72 and 141,814.82 is: 195,625.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,800.84 : 336,309.72 = 141,814.82 : x
  2. Step 2: Convert to fraction form
    243,800.84/336,309.72 = 141,814.82/x
  3. Step 3: Cross multiply
    243,800.84x = 336,309.72 × 141,814.82
  4. Step 4: Simplify right side
    243,800.84x = 47,693,702,406.05
  5. Step 5: Solve for x
    x = 47,693,702,406.05/243,800.84
  6. Step 6: Final answer
    x = 195,625.67

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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.