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Finding the Fourth Proportional to 118,015.26, 162,858.98 and 64,300.66

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Solution

The fourth proportional to 118,015.26, 162,858.98 and 64,300.66 is: 88,733.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,015.26 : 162,858.98 = 64,300.66 : x
  2. Step 2: Convert to fraction form
    118,015.26/162,858.98 = 64,300.66/x
  3. Step 3: Cross multiply
    118,015.26x = 162,858.98 × 64,300.66
  4. Step 4: Simplify right side
    118,015.26x = 10,471,939,086.63
  5. Step 5: Solve for x
    x = 10,471,939,086.63/118,015.26
  6. Step 6: Final answer
    x = 88,733.78

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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.