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Finding the Fourth Proportional to 243,524, 336,039.54 and 152,850.98

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Solution

The fourth proportional to 243,524, 336,039.54 and 152,850.98 is: 210,919.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,524 : 336,039.54 = 152,850.98 : x
  2. Step 2: Convert to fraction form
    243,524/336,039.54 = 152,850.98/x
  3. Step 3: Cross multiply
    243,524x = 336,039.54 × 152,850.98
  4. Step 4: Simplify right side
    243,524x = 51,363,973,007.75
  5. Step 5: Solve for x
    x = 51,363,973,007.75/243,524
  6. Step 6: Final answer
    x = 210,919.55

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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.