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Finding the Fourth Proportional to 184,418.40, 254,500.20 and 112,783.20

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Solution

The fourth proportional to 184,418.40, 254,500.20 and 112,783.20 is: 155,642.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,418.40 : 254,500.20 = 112,783.20 : x
  2. Step 2: Convert to fraction form
    184,418.40/254,500.20 = 112,783.20/x
  3. Step 3: Cross multiply
    184,418.40x = 254,500.20 × 112,783.20
  4. Step 4: Simplify right side
    184,418.40x = 28,703,346,956.64
  5. Step 5: Solve for x
    x = 28,703,346,956.64/184,418.40
  6. Step 6: Final answer
    x = 155,642.53

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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.