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Finding the Fourth Proportional to 92,470.88, 127,611.86 and 51,077.77

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Solution

The fourth proportional to 92,470.88, 127,611.86 and 51,077.77 is: 70,488.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,470.88 : 127,611.86 = 51,077.77 : x
  2. Step 2: Convert to fraction form
    92,470.88/127,611.86 = 51,077.77/x
  3. Step 3: Cross multiply
    92,470.88x = 127,611.86 × 51,077.77
  4. Step 4: Simplify right side
    92,470.88x = 6,518,128,659.93
  5. Step 5: Solve for x
    x = 6,518,128,659.93/92,470.88
  6. Step 6: Final answer
    x = 70,488.44

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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.