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Finding the Fourth Proportional to 102,068.54, 153,108.77 and 30,993.49

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Solution

The fourth proportional to 102,068.54, 153,108.77 and 30,993.49 is: 46,492.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,068.54 : 153,108.77 = 30,993.49 : x
  2. Step 2: Convert to fraction form
    102,068.54/153,108.77 = 30,993.49/x
  3. Step 3: Cross multiply
    102,068.54x = 153,108.77 × 30,993.49
  4. Step 4: Simplify right side
    102,068.54x = 4,745,375,131.91
  5. Step 5: Solve for x
    x = 4,745,375,131.91/102,068.54
  6. Step 6: Final answer
    x = 46,492.04

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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.