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Finding the Fourth Proportional to 343,131.96, 514,766.66 and 118,500.60

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Solution

The fourth proportional to 343,131.96, 514,766.66 and 118,500.60 is: 177,774.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,131.96 : 514,766.66 = 118,500.60 : x
  2. Step 2: Convert to fraction form
    343,131.96/514,766.66 = 118,500.60/x
  3. Step 3: Cross multiply
    343,131.96x = 514,766.66 × 118,500.60
  4. Step 4: Simplify right side
    343,131.96x = 61,000,158,070.00
  5. Step 5: Solve for x
    x = 61,000,158,070.00/343,131.96
  6. Step 6: Final answer
    x = 177,774.63

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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.