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Finding the Fourth Proportional to 252,070.02, 347,842.89 and 138,883.86

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Solution

The fourth proportional to 252,070.02, 347,842.89 and 138,883.86 is: 191,652.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,070.02 : 347,842.89 = 138,883.86 : x
  2. Step 2: Convert to fraction form
    252,070.02/347,842.89 = 138,883.86/x
  3. Step 3: Cross multiply
    252,070.02x = 347,842.89 × 138,883.86
  4. Step 4: Simplify right side
    252,070.02x = 48,309,763,236.76
  5. Step 5: Solve for x
    x = 48,309,763,236.76/252,070.02
  6. Step 6: Final answer
    x = 191,652.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.