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Finding the Fourth Proportional to 230,670.60, 345,451.86 and 118,054.68

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Solution

The fourth proportional to 230,670.60, 345,451.86 and 118,054.68 is: 176,798.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,670.60 : 345,451.86 = 118,054.68 : x
  2. Step 2: Convert to fraction form
    230,670.60/345,451.86 = 118,054.68/x
  3. Step 3: Cross multiply
    230,670.60x = 345,451.86 × 118,054.68
  4. Step 4: Simplify right side
    230,670.60x = 40,782,208,787.70
  5. Step 5: Solve for x
    x = 40,782,208,787.70/230,670.60
  6. Step 6: Final answer
    x = 176,798.47

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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.