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Finding the Fourth Proportional to 104,583.60, 156,810.60 and 60,188.40

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Solution

The fourth proportional to 104,583.60, 156,810.60 and 60,188.40 is: 90,245.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,583.60 : 156,810.60 = 60,188.40 : x
  2. Step 2: Convert to fraction form
    104,583.60/156,810.60 = 60,188.40/x
  3. Step 3: Cross multiply
    104,583.60x = 156,810.60 × 60,188.40
  4. Step 4: Simplify right side
    104,583.60x = 9,438,179,117.04
  5. Step 5: Solve for x
    x = 9,438,179,117.04/104,583.60
  6. Step 6: Final answer
    x = 90,245.31

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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.