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Finding the Fourth Proportional to 157,093.76, 235,684.56 and 51,986.72

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Solution

The fourth proportional to 157,093.76, 235,684.56 and 51,986.72 is: 77,994.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,093.76 : 235,684.56 = 51,986.72 : x
  2. Step 2: Convert to fraction form
    157,093.76/235,684.56 = 51,986.72/x
  3. Step 3: Cross multiply
    157,093.76x = 235,684.56 × 51,986.72
  4. Step 4: Simplify right side
    157,093.76x = 12,252,467,229.04
  5. Step 5: Solve for x
    x = 12,252,467,229.04/157,093.76
  6. Step 6: Final answer
    x = 77,994.61

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1.5x scale

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.