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Finding the Fourth Proportional to 99,027.60, 148,541.40 and 92,466.60

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Solution

The fourth proportional to 99,027.60, 148,541.40 and 92,466.60 is: 138,699.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,027.60 : 148,541.40 = 92,466.60 : x
  2. Step 2: Convert to fraction form
    99,027.60/148,541.40 = 92,466.60/x
  3. Step 3: Cross multiply
    99,027.60x = 148,541.40 × 92,466.60
  4. Step 4: Simplify right side
    99,027.60x = 13,735,118,217.24
  5. Step 5: Solve for x
    x = 13,735,118,217.24/99,027.60
  6. Step 6: Final answer
    x = 138,699.90

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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.