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Finding the Fourth Proportional to 70,534.93, 97,216.99 and 67,213.12

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Solution

The fourth proportional to 70,534.93, 97,216.99 and 67,213.12 is: 92,638.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,534.93 : 97,216.99 = 67,213.12 : x
  2. Step 2: Convert to fraction form
    70,534.93/97,216.99 = 67,213.12/x
  3. Step 3: Cross multiply
    70,534.93x = 97,216.99 × 67,213.12
  4. Step 4: Simplify right side
    70,534.93x = 6,534,257,214.91
  5. Step 5: Solve for x
    x = 6,534,257,214.91/70,534.93
  6. Step 6: Final answer
    x = 92,638.60

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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.