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Finding the Fourth Proportional to 252,247.72, 348,096.58 and 139,070.76

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Solution

The fourth proportional to 252,247.72, 348,096.58 and 139,070.76 is: 191,914.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,247.72 : 348,096.58 = 139,070.76 : x
  2. Step 2: Convert to fraction form
    252,247.72/348,096.58 = 139,070.76/x
  3. Step 3: Cross multiply
    252,247.72x = 348,096.58 × 139,070.76
  4. Step 4: Simplify right side
    252,247.72x = 48,410,055,934.00
  5. Step 5: Solve for x
    x = 48,410,055,934.00/252,247.72
  6. Step 6: Final answer
    x = 191,914.74

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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.