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Finding the Fourth Proportional to 252,053.76, 347,804.64 and 144,606.72

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Solution

The fourth proportional to 252,053.76, 347,804.64 and 144,606.72 is: 199,540.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,053.76 : 347,804.64 = 144,606.72 : x
  2. Step 2: Convert to fraction form
    252,053.76/347,804.64 = 144,606.72/x
  3. Step 3: Cross multiply
    252,053.76x = 347,804.64 × 144,606.72
  4. Step 4: Simplify right side
    252,053.76x = 50,294,888,191.18
  5. Step 5: Solve for x
    x = 50,294,888,191.18/252,053.76
  6. Step 6: Final answer
    x = 199,540.32

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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.