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Finding the Fourth Proportional to 184,420.71, 254,512.67 and 139,018.59

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Solution

The fourth proportional to 184,420.71, 254,512.67 and 139,018.59 is: 191,854.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,420.71 : 254,512.67 = 139,018.59 : x
  2. Step 2: Convert to fraction form
    184,420.71/254,512.67 = 139,018.59/x
  3. Step 3: Cross multiply
    184,420.71x = 254,512.67 × 139,018.59
  4. Step 4: Simplify right side
    184,420.71x = 35,381,991,825.44
  5. Step 5: Solve for x
    x = 35,381,991,825.44/184,420.71
  6. Step 6: Final answer
    x = 191,854.76

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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.