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Finding the Fourth Proportional to 252,370.56, 348,268.80 and 139,194.24

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Solution

The fourth proportional to 252,370.56, 348,268.80 and 139,194.24 is: 192,086.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,370.56 : 348,268.80 = 139,194.24 : x
  2. Step 2: Convert to fraction form
    252,370.56/348,268.80 = 139,194.24/x
  3. Step 3: Cross multiply
    252,370.56x = 348,268.80 × 139,194.24
  4. Step 4: Simplify right side
    252,370.56x = 48,477,010,931.71
  5. Step 5: Solve for x
    x = 48,477,010,931.71/252,370.56
  6. Step 6: Final answer
    x = 192,086.63

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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.