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Finding the Fourth Proportional to 252,085.68, 347,862.60 and 144,664.56

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Solution

The fourth proportional to 252,085.68, 347,862.60 and 144,664.56 is: 199,628.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,085.68 : 347,862.60 = 144,664.56 : x
  2. Step 2: Convert to fraction form
    252,085.68/347,862.60 = 144,664.56/x
  3. Step 3: Cross multiply
    252,085.68x = 347,862.60 × 144,664.56
  4. Step 4: Simplify right side
    252,085.68x = 50,323,389,969.46
  5. Step 5: Solve for x
    x = 50,323,389,969.46/252,085.68
  6. Step 6: Final answer
    x = 199,628.12

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1.5x scale

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.