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Finding the Fourth Proportional to 79,070.88, 118,612.64 and 22,911.84

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Solution

The fourth proportional to 79,070.88, 118,612.64 and 22,911.84 is: 34,369.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,070.88 : 118,612.64 = 22,911.84 : x
  2. Step 2: Convert to fraction form
    79,070.88/118,612.64 = 22,911.84/x
  3. Step 3: Cross multiply
    79,070.88x = 118,612.64 × 22,911.84
  4. Step 4: Simplify right side
    79,070.88x = 2,717,633,829.66
  5. Step 5: Solve for x
    x = 2,717,633,829.66/79,070.88
  6. Step 6: Final answer
    x = 34,369.59

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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.