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Finding the Fourth Proportional to 170,505.63, 255,679.47 and 63,810.47

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Solution

The fourth proportional to 170,505.63, 255,679.47 and 63,810.47 is: 95,686.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,505.63 : 255,679.47 = 63,810.47 : x
  2. Step 2: Convert to fraction form
    170,505.63/255,679.47 = 63,810.47/x
  3. Step 3: Cross multiply
    170,505.63x = 255,679.47 × 63,810.47
  4. Step 4: Simplify right side
    170,505.63x = 16,315,027,789.25
  5. Step 5: Solve for x
    x = 16,315,027,789.25/170,505.63
  6. Step 6: Final answer
    x = 95,686.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.