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Finding the Fourth Proportional to 85,326.60, 127,993.14 and 32,741.40

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Solution

The fourth proportional to 85,326.60, 127,993.14 and 32,741.40 is: 49,113.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,326.60 : 127,993.14 = 32,741.40 : x
  2. Step 2: Convert to fraction form
    85,326.60/127,993.14 = 32,741.40/x
  3. Step 3: Cross multiply
    85,326.60x = 127,993.14 × 32,741.40
  4. Step 4: Simplify right side
    85,326.60x = 4,190,674,594.00
  5. Step 5: Solve for x
    x = 4,190,674,594.00/85,326.60
  6. Step 6: Final answer
    x = 49,113.34

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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.