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Finding the Fourth Proportional to 111,309.63, 166,902.03 and 48,090.30

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Solution

The fourth proportional to 111,309.63, 166,902.03 and 48,090.30 is: 72,108.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,309.63 : 166,902.03 = 48,090.30 : x
  2. Step 2: Convert to fraction form
    111,309.63/166,902.03 = 48,090.30/x
  3. Step 3: Cross multiply
    111,309.63x = 166,902.03 × 48,090.30
  4. Step 4: Simplify right side
    111,309.63x = 8,026,368,693.31
  5. Step 5: Solve for x
    x = 8,026,368,693.31/111,309.63
  6. Step 6: Final answer
    x = 72,108.48

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1.5x scale

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.