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Finding the Fourth Proportional to 92,515.58, 127,674.58 and 56,698.67

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Solution

The fourth proportional to 92,515.58, 127,674.58 and 56,698.67 is: 78,246.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,515.58 : 127,674.58 = 56,698.67 : x
  2. Step 2: Convert to fraction form
    92,515.58/127,674.58 = 56,698.67/x
  3. Step 3: Cross multiply
    92,515.58x = 127,674.58 × 56,698.67
  4. Step 4: Simplify right side
    92,515.58x = 7,238,978,240.44
  5. Step 5: Solve for x
    x = 7,238,978,240.44/92,515.58
  6. Step 6: Final answer
    x = 78,246.05

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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.