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Finding the Fourth Proportional to 342,668.76, 513,941.22 and 93,292.44

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Solution

The fourth proportional to 342,668.76, 513,941.22 and 93,292.44 is: 139,921.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,668.76 : 513,941.22 = 93,292.44 : x
  2. Step 2: Convert to fraction form
    342,668.76/513,941.22 = 93,292.44/x
  3. Step 3: Cross multiply
    342,668.76x = 513,941.22 × 93,292.44
  4. Step 4: Simplify right side
    342,668.76x = 47,946,830,430.38
  5. Step 5: Solve for x
    x = 47,946,830,430.38/342,668.76
  6. Step 6: Final answer
    x = 139,921.80

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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.