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Finding the Fourth Proportional to 76,216.52, 105,186.56 and 43,952.32

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Solution

The fourth proportional to 76,216.52, 105,186.56 and 43,952.32 is: 60,658.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,216.52 : 105,186.56 = 43,952.32 : x
  2. Step 2: Convert to fraction form
    76,216.52/105,186.56 = 43,952.32/x
  3. Step 3: Cross multiply
    76,216.52x = 105,186.56 × 43,952.32
  4. Step 4: Simplify right side
    76,216.52x = 4,623,193,344.82
  5. Step 5: Solve for x
    x = 4,623,193,344.82/76,216.52
  6. Step 6: Final answer
    x = 60,658.68

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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.