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Finding the Fourth Proportional to 230,906.72, 346,053.90 and 118,582.40

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Solution

The fourth proportional to 230,906.72, 346,053.90 and 118,582.40 is: 177,716.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,906.72 : 346,053.90 = 118,582.40 : x
  2. Step 2: Convert to fraction form
    230,906.72/346,053.90 = 118,582.40/x
  3. Step 3: Cross multiply
    230,906.72x = 346,053.90 × 118,582.40
  4. Step 4: Simplify right side
    230,906.72x = 41,035,901,991.36
  5. Step 5: Solve for x
    x = 41,035,901,991.36/230,906.72
  6. Step 6: Final answer
    x = 177,716.36

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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.