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Finding the Fourth Proportional to 94,862.80, 142,140.60 and 59,739.60

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Solution

The fourth proportional to 94,862.80, 142,140.60 and 59,739.60 is: 89,512.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,862.80 : 142,140.60 = 59,739.60 : x
  2. Step 2: Convert to fraction form
    94,862.80/142,140.60 = 59,739.60/x
  3. Step 3: Cross multiply
    94,862.80x = 142,140.60 × 59,739.60
  4. Step 4: Simplify right side
    94,862.80x = 8,491,422,587.76
  5. Step 5: Solve for x
    x = 8,491,422,587.76/94,862.80
  6. Step 6: Final answer
    x = 89,512.67

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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.