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Finding the Fourth Proportional to 292,960.70, 439,295.68 and 93,255.12

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Solution

The fourth proportional to 292,960.70, 439,295.68 and 93,255.12 is: 139,836.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,960.70 : 439,295.68 = 93,255.12 : x
  2. Step 2: Convert to fraction form
    292,960.70/439,295.68 = 93,255.12/x
  3. Step 3: Cross multiply
    292,960.70x = 439,295.68 × 93,255.12
  4. Step 4: Simplify right side
    292,960.70x = 40,966,572,443.69
  5. Step 5: Solve for x
    x = 40,966,572,443.69/292,960.70
  6. Step 6: Final answer
    x = 139,836.41

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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.