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Finding the Fourth Proportional to 76,268.25, 105,250.22 and 46,460.25

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Solution

The fourth proportional to 76,268.25, 105,250.22 and 46,460.25 is: 64,115.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,268.25 : 105,250.22 = 46,460.25 : x
  2. Step 2: Convert to fraction form
    76,268.25/105,250.22 = 46,460.25/x
  3. Step 3: Cross multiply
    76,268.25x = 105,250.22 × 46,460.25
  4. Step 4: Simplify right side
    76,268.25x = 4,889,951,301.45
  5. Step 5: Solve for x
    x = 4,889,951,301.45/76,268.25
  6. Step 6: Final answer
    x = 64,115.16

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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.