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Finding the Fourth Proportional to 118,777.92, 178,137.72 and 34,535.76

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Solution

The fourth proportional to 118,777.92, 178,137.72 and 34,535.76 is: 51,795.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,777.92 : 178,137.72 = 34,535.76 : x
  2. Step 2: Convert to fraction form
    118,777.92/178,137.72 = 34,535.76/x
  3. Step 3: Cross multiply
    118,777.92x = 178,137.72 × 34,535.76
  4. Step 4: Simplify right side
    118,777.92x = 6,152,121,544.87
  5. Step 5: Solve for x
    x = 6,152,121,544.87/118,777.92
  6. Step 6: Final answer
    x = 51,795.16

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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.