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Finding the Fourth Proportional to 70,994.16, 98,059.14 and 53,168.76

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Solution

The fourth proportional to 70,994.16, 98,059.14 and 53,168.76 is: 73,438.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,994.16 : 98,059.14 = 53,168.76 : x
  2. Step 2: Convert to fraction form
    70,994.16/98,059.14 = 53,168.76/x
  3. Step 3: Cross multiply
    70,994.16x = 98,059.14 × 53,168.76
  4. Step 4: Simplify right side
    70,994.16x = 5,213,682,880.47
  5. Step 5: Solve for x
    x = 5,213,682,880.47/70,994.16
  6. Step 6: Final answer
    x = 73,438.19

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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.