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Finding the Fourth Proportional to 92,108.93, 127,103.18 and 51,814.67

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Solution

The fourth proportional to 92,108.93, 127,103.18 and 51,814.67 is: 71,500.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,108.93 : 127,103.18 = 51,814.67 : x
  2. Step 2: Convert to fraction form
    92,108.93/127,103.18 = 51,814.67/x
  3. Step 3: Cross multiply
    92,108.93x = 127,103.18 × 51,814.67
  4. Step 4: Simplify right side
    92,108.93x = 6,585,808,433.06
  5. Step 5: Solve for x
    x = 6,585,808,433.06/92,108.93
  6. Step 6: Final answer
    x = 71,500.22

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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.