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Finding the Fourth Proportional to 94,690.55, 130,672.60 and 51,669.67

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Solution

The fourth proportional to 94,690.55, 130,672.60 and 51,669.67 is: 71,303.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,690.55 : 130,672.60 = 51,669.67 : x
  2. Step 2: Convert to fraction form
    94,690.55/130,672.60 = 51,669.67/x
  3. Step 3: Cross multiply
    94,690.55x = 130,672.60 × 51,669.67
  4. Step 4: Simplify right side
    94,690.55x = 6,751,809,208.33
  5. Step 5: Solve for x
    x = 6,751,809,208.33/94,690.55
  6. Step 6: Final answer
    x = 71,303.94

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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.