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Finding the Fourth Proportional to 118,050.93, 162,891.80 and 66,357.80

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Solution

The fourth proportional to 118,050.93, 162,891.80 and 66,357.80 is: 91,563.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,050.93 : 162,891.80 = 66,357.80 : x
  2. Step 2: Convert to fraction form
    118,050.93/162,891.80 = 66,357.80/x
  3. Step 3: Cross multiply
    118,050.93x = 162,891.80 × 66,357.80
  4. Step 4: Simplify right side
    118,050.93x = 10,809,140,339.79
  5. Step 5: Solve for x
    x = 10,809,140,339.79/118,050.93
  6. Step 6: Final answer
    x = 91,563.36

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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.