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Finding the Fourth Proportional to 79,432.80, 118,967.74 and 37,908.96

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Solution

The fourth proportional to 79,432.80, 118,967.74 and 37,908.96 is: 56,776.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,432.80 : 118,967.74 = 37,908.96 : x
  2. Step 2: Convert to fraction form
    79,432.80/118,967.74 = 37,908.96/x
  3. Step 3: Cross multiply
    79,432.80x = 118,967.74 × 37,908.96
  4. Step 4: Simplify right side
    79,432.80x = 4,509,943,296.95
  5. Step 5: Solve for x
    x = 4,509,943,296.95/79,432.80
  6. Step 6: Final answer
    x = 56,776.84

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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.