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Finding the Fourth Proportional to 178,307.86, 267,879.84 and 168,220.12

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Solution

The fourth proportional to 178,307.86, 267,879.84 and 168,220.12 is: 252,724.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,307.86 : 267,879.84 = 168,220.12 : x
  2. Step 2: Convert to fraction form
    178,307.86/267,879.84 = 168,220.12/x
  3. Step 3: Cross multiply
    178,307.86x = 267,879.84 × 168,220.12
  4. Step 4: Simplify right side
    178,307.86x = 45,062,778,830.38
  5. Step 5: Solve for x
    x = 45,062,778,830.38/178,307.86
  6. Step 6: Final answer
    x = 252,724.58

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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.