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Finding the Fourth Proportional to 92,276.70, 127,339.74 and 56,466.60

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Solution

The fourth proportional to 92,276.70, 127,339.74 and 56,466.60 is: 77,922.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,276.70 : 127,339.74 = 56,466.60 : x
  2. Step 2: Convert to fraction form
    92,276.70/127,339.74 = 56,466.60/x
  3. Step 3: Cross multiply
    92,276.70x = 127,339.74 × 56,466.60
  4. Step 4: Simplify right side
    92,276.70x = 7,190,442,162.68
  5. Step 5: Solve for x
    x = 7,190,442,162.68/92,276.70
  6. Step 6: Final answer
    x = 77,922.62

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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.