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Finding the Fourth Proportional to 79,406.52, 118,999.60 and 34,966.68

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Solution

The fourth proportional to 79,406.52, 118,999.60 and 34,966.68 is: 52,401.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,406.52 : 118,999.60 = 34,966.68 : x
  2. Step 2: Convert to fraction form
    79,406.52/118,999.60 = 34,966.68/x
  3. Step 3: Cross multiply
    79,406.52x = 118,999.60 × 34,966.68
  4. Step 4: Simplify right side
    79,406.52x = 4,161,020,933.33
  5. Step 5: Solve for x
    x = 4,161,020,933.33/79,406.52
  6. Step 6: Final answer
    x = 52,401.50

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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.