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Finding the Fourth Proportional to 140,949.16, 211,009.02 and 94,085.80

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Solution

The fourth proportional to 140,949.16, 211,009.02 and 94,085.80 is: 140,851.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,949.16 : 211,009.02 = 94,085.80 : x
  2. Step 2: Convert to fraction form
    140,949.16/211,009.02 = 94,085.80/x
  3. Step 3: Cross multiply
    140,949.16x = 211,009.02 × 94,085.80
  4. Step 4: Simplify right side
    140,949.16x = 19,852,952,453.92
  5. Step 5: Solve for x
    x = 19,852,952,453.92/140,949.16
  6. Step 6: Final answer
    x = 140,851.87

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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.