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Finding the Fourth Proportional to 71,193.60, 98,205.12 and 44,340.48

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Solution

The fourth proportional to 71,193.60, 98,205.12 and 44,340.48 is: 61,163.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,193.60 : 98,205.12 = 44,340.48 : x
  2. Step 2: Convert to fraction form
    71,193.60/98,205.12 = 44,340.48/x
  3. Step 3: Cross multiply
    71,193.60x = 98,205.12 × 44,340.48
  4. Step 4: Simplify right side
    71,193.60x = 4,354,462,159.26
  5. Step 5: Solve for x
    x = 4,354,462,159.26/71,193.60
  6. Step 6: Final answer
    x = 61,163.67

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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.