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Finding the Fourth Proportional to 342,866.59, 514,333.71 and 118,197.43

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Solution

The fourth proportional to 342,866.59, 514,333.71 and 118,197.43 is: 177,307.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,866.59 : 514,333.71 = 118,197.43 : x
  2. Step 2: Convert to fraction form
    342,866.59/514,333.71 = 118,197.43/x
  3. Step 3: Cross multiply
    342,866.59x = 514,333.71 × 118,197.43
  4. Step 4: Simplify right side
    342,866.59x = 60,792,921,398.53
  5. Step 5: Solve for x
    x = 60,792,921,398.53/342,866.59
  6. Step 6: Final answer
    x = 177,307.80

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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.