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Finding the Fourth Proportional to 193,354.88, 266,825.72 and 107,308.86

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Solution

The fourth proportional to 193,354.88, 266,825.72 and 107,308.86 is: 148,084.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,354.88 : 266,825.72 = 107,308.86 : x
  2. Step 2: Convert to fraction form
    193,354.88/266,825.72 = 107,308.86/x
  3. Step 3: Cross multiply
    193,354.88x = 266,825.72 × 107,308.86
  4. Step 4: Simplify right side
    193,354.88x = 28,632,763,295.33
  5. Step 5: Solve for x
    x = 28,632,763,295.33/193,354.88
  6. Step 6: Final answer
    x = 148,084.00

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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.