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Finding the Fourth Proportional to 92,056.95, 127,048.23 and 56,270.79

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Solution

The fourth proportional to 92,056.95, 127,048.23 and 56,270.79 is: 77,659.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,056.95 : 127,048.23 = 56,270.79 : x
  2. Step 2: Convert to fraction form
    92,056.95/127,048.23 = 56,270.79/x
  3. Step 3: Cross multiply
    92,056.95x = 127,048.23 × 56,270.79
  4. Step 4: Simplify right side
    92,056.95x = 7,149,104,270.20
  5. Step 5: Solve for x
    x = 7,149,104,270.20/92,056.95
  6. Step 6: Final answer
    x = 77,659.58

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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.