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Finding the Fourth Proportional to 70,533.93, 97,215.62 and 67,212.12

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Solution

The fourth proportional to 70,533.93, 97,215.62 and 67,212.12 is: 92,637.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,533.93 : 97,215.62 = 67,212.12 : x
  2. Step 2: Convert to fraction form
    70,533.93/97,215.62 = 67,212.12/x
  3. Step 3: Cross multiply
    70,533.93x = 97,215.62 × 67,212.12
  4. Step 4: Simplify right side
    70,533.93x = 6,534,067,581.25
  5. Step 5: Solve for x
    x = 6,534,067,581.25/70,533.93
  6. Step 6: Final answer
    x = 92,637.23

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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.