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Finding the Fourth Proportional to 79,285.58, 118,934.30 and 23,126.16

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Solution

The fourth proportional to 79,285.58, 118,934.30 and 23,126.16 is: 34,690.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,285.58 : 118,934.30 = 23,126.16 : x
  2. Step 2: Convert to fraction form
    79,285.58/118,934.30 = 23,126.16/x
  3. Step 3: Cross multiply
    79,285.58x = 118,934.30 × 23,126.16
  4. Step 4: Simplify right side
    79,285.58x = 2,750,493,421.06
  5. Step 5: Solve for x
    x = 2,750,493,421.06/79,285.58
  6. Step 6: Final answer
    x = 34,690.96

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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.