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Finding the Fourth Proportional to 208,887.30, 313,374.38 and 94,980.83

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Solution

The fourth proportional to 208,887.30, 313,374.38 and 94,980.83 is: 142,490.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,887.30 : 313,374.38 = 94,980.83 : x
  2. Step 2: Convert to fraction form
    208,887.30/313,374.38 = 94,980.83/x
  3. Step 3: Cross multiply
    208,887.30x = 313,374.38 × 94,980.83
  4. Step 4: Simplify right side
    208,887.30x = 29,764,556,671.36
  5. Step 5: Solve for x
    x = 29,764,556,671.36/208,887.30
  6. Step 6: Final answer
    x = 142,490.98

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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.