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Finding the Fourth Proportional to 152,496, 228,740.76 and 68,236.56

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Solution

The fourth proportional to 152,496, 228,740.76 and 68,236.56 is: 102,353.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,496 : 228,740.76 = 68,236.56 : x
  2. Step 2: Convert to fraction form
    152,496/228,740.76 = 68,236.56/x
  3. Step 3: Cross multiply
    152,496x = 228,740.76 × 68,236.56
  4. Step 4: Simplify right side
    152,496x = 15,608,482,594.19
  5. Step 5: Solve for x
    x = 15,608,482,594.19/152,496
  6. Step 6: Final answer
    x = 102,353.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.