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Finding the Fourth Proportional to 252,273.94, 348,140.77 and 139,100.74

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Solution

The fourth proportional to 252,273.94, 348,140.77 and 139,100.74 is: 191,960.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,273.94 : 348,140.77 = 139,100.74 : x
  2. Step 2: Convert to fraction form
    252,273.94/348,140.77 = 139,100.74/x
  3. Step 3: Cross multiply
    252,273.94x = 348,140.77 × 139,100.74
  4. Step 4: Simplify right side
    252,273.94x = 48,426,638,731.17
  5. Step 5: Solve for x
    x = 48,426,638,731.17/252,273.94
  6. Step 6: Final answer
    x = 191,960.53

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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.