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Finding the Fourth Proportional to 118,877.45, 178,316.37 and 88,922.84

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Solution

The fourth proportional to 118,877.45, 178,316.37 and 88,922.84 is: 133,384.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,877.45 : 178,316.37 = 88,922.84 : x
  2. Step 2: Convert to fraction form
    118,877.45/178,316.37 = 88,922.84/x
  3. Step 3: Cross multiply
    118,877.45x = 178,316.37 × 88,922.84
  4. Step 4: Simplify right side
    118,877.45x = 15,856,397,147.31
  5. Step 5: Solve for x
    x = 15,856,397,147.31/118,877.45
  6. Step 6: Final answer
    x = 133,384.40

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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.