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Finding the Fourth Proportional to 92,016, 126,952.92 and 56,188.08

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Solution

The fourth proportional to 92,016, 126,952.92 and 56,188.08 is: 77,521.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,016 : 126,952.92 = 56,188.08 : x
  2. Step 2: Convert to fraction form
    92,016/126,952.92 = 56,188.08/x
  3. Step 3: Cross multiply
    92,016x = 126,952.92 × 56,188.08
  4. Step 4: Simplify right side
    92,016x = 7,133,240,825.19
  5. Step 5: Solve for x
    x = 7,133,240,825.19/92,016
  6. Step 6: Final answer
    x = 77,521.74

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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.