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Finding the Fourth Proportional to 252,627.66, 348,628.59 and 139,447.98

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Solution

The fourth proportional to 252,627.66, 348,628.59 and 139,447.98 is: 192,439.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,627.66 : 348,628.59 = 139,447.98 : x
  2. Step 2: Convert to fraction form
    252,627.66/348,628.59 = 139,447.98/x
  3. Step 3: Cross multiply
    252,627.66x = 348,628.59 × 139,447.98
  4. Step 4: Simplify right side
    252,627.66x = 48,615,552,645.75
  5. Step 5: Solve for x
    x = 48,615,552,645.75/252,627.66
  6. Step 6: Final answer
    x = 192,439.55

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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.