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Finding the Fourth Proportional to 252,625.56, 348,622.56 and 139,447.50

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Solution

The fourth proportional to 252,625.56, 348,622.56 and 139,447.50 is: 192,437.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,625.56 : 348,622.56 = 139,447.50 : x
  2. Step 2: Convert to fraction form
    252,625.56/348,622.56 = 139,447.50/x
  3. Step 3: Cross multiply
    252,625.56x = 348,622.56 × 139,447.50
  4. Step 4: Simplify right side
    252,625.56x = 48,614,544,435.60
  5. Step 5: Solve for x
    x = 48,614,544,435.60/252,625.56
  6. Step 6: Final answer
    x = 192,437.16

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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.