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Finding the Fourth Proportional to 184,497.90, 276,746.85 and 121,512.30

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Solution

The fourth proportional to 184,497.90, 276,746.85 and 121,512.30 is: 182,268.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,497.90 : 276,746.85 = 121,512.30 : x
  2. Step 2: Convert to fraction form
    184,497.90/276,746.85 = 121,512.30/x
  3. Step 3: Cross multiply
    184,497.90x = 276,746.85 × 121,512.30
  4. Step 4: Simplify right side
    184,497.90x = 33,628,146,261.26
  5. Step 5: Solve for x
    x = 33,628,146,261.26/184,497.90
  6. Step 6: Final answer
    x = 182,268.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.