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Finding the Fourth Proportional to 104,048.40, 156,072.60 and 92,967.60

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Solution

The fourth proportional to 104,048.40, 156,072.60 and 92,967.60 is: 139,451.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,048.40 : 156,072.60 = 92,967.60 : x
  2. Step 2: Convert to fraction form
    104,048.40/156,072.60 = 92,967.60/x
  3. Step 3: Cross multiply
    104,048.40x = 156,072.60 × 92,967.60
  4. Step 4: Simplify right side
    104,048.40x = 14,509,695,047.76
  5. Step 5: Solve for x
    x = 14,509,695,047.76/104,048.40
  6. Step 6: Final answer
    x = 139,451.40

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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.