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Finding the Fourth Proportional to 230,590.58, 345,990.96 and 118,349.62

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Solution

The fourth proportional to 230,590.58, 345,990.96 and 118,349.62 is: 177,578.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,590.58 : 345,990.96 = 118,349.62 : x
  2. Step 2: Convert to fraction form
    230,590.58/345,990.96 = 118,349.62/x
  3. Step 3: Cross multiply
    230,590.58x = 345,990.96 × 118,349.62
  4. Step 4: Simplify right side
    230,590.58x = 40,947,897,774.46
  5. Step 5: Solve for x
    x = 40,947,897,774.46/230,590.58
  6. Step 6: Final answer
    x = 177,578.36

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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.