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Finding the Fourth Proportional to 185,697.38, 256,320.77 and 118,629.38

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Solution

The fourth proportional to 185,697.38, 256,320.77 and 118,629.38 is: 163,745.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,697.38 : 256,320.77 = 118,629.38 : x
  2. Step 2: Convert to fraction form
    185,697.38/256,320.77 = 118,629.38/x
  3. Step 3: Cross multiply
    185,697.38x = 256,320.77 × 118,629.38
  4. Step 4: Simplify right side
    185,697.38x = 30,407,172,151.47
  5. Step 5: Solve for x
    x = 30,407,172,151.47/185,697.38
  6. Step 6: Final answer
    x = 163,745.84

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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.