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Finding the Fourth Proportional to 76,608.90, 114,913.35 and 23,300.78

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Solution

The fourth proportional to 76,608.90, 114,913.35 and 23,300.78 is: 34,951.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,608.90 : 114,913.35 = 23,300.78 : x
  2. Step 2: Convert to fraction form
    76,608.90/114,913.35 = 23,300.78/x
  3. Step 3: Cross multiply
    76,608.90x = 114,913.35 × 23,300.78
  4. Step 4: Simplify right side
    76,608.90x = 2,677,570,112.85
  5. Step 5: Solve for x
    x = 2,677,570,112.85/76,608.90
  6. Step 6: Final answer
    x = 34,951.16

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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.