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Finding the Fourth Proportional to 70,499.84, 97,289.52 and 43,637

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Solution

The fourth proportional to 70,499.84, 97,289.52 and 43,637 is: 60,218.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,499.84 : 97,289.52 = 43,637 : x
  2. Step 2: Convert to fraction form
    70,499.84/97,289.52 = 43,637/x
  3. Step 3: Cross multiply
    70,499.84x = 97,289.52 × 43,637
  4. Step 4: Simplify right side
    70,499.84x = 4,245,422,784.24
  5. Step 5: Solve for x
    x = 4,245,422,784.24/70,499.84
  6. Step 6: Final answer
    x = 60,218.90

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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.