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Finding the Fourth Proportional to 157,657.84, 217,594.84 and 150,571.76

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Solution

The fourth proportional to 157,657.84, 217,594.84 and 150,571.76 is: 207,814.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,657.84 : 217,594.84 = 150,571.76 : x
  2. Step 2: Convert to fraction form
    157,657.84/217,594.84 = 150,571.76/x
  3. Step 3: Cross multiply
    157,657.84x = 217,594.84 × 150,571.76
  4. Step 4: Simplify right side
    157,657.84x = 32,763,638,025.72
  5. Step 5: Solve for x
    x = 32,763,638,025.72/157,657.84
  6. Step 6: Final answer
    x = 207,814.84

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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.