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Finding the Fourth Proportional to 184,891.43, 254,918.80 and 154,308.67

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Solution

The fourth proportional to 184,891.43, 254,918.80 and 154,308.67 is: 212,752.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,891.43 : 254,918.80 = 154,308.67 : x
  2. Step 2: Convert to fraction form
    184,891.43/254,918.80 = 154,308.67/x
  3. Step 3: Cross multiply
    184,891.43x = 254,918.80 × 154,308.67
  4. Step 4: Simplify right side
    184,891.43x = 39,336,180,986.00
  5. Step 5: Solve for x
    x = 39,336,180,986.00/184,891.43
  6. Step 6: Final answer
    x = 212,752.86

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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.