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Finding the Fourth Proportional to 82,854.69, 114,344.36 and 62,400.67

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Solution

The fourth proportional to 82,854.69, 114,344.36 and 62,400.67 is: 86,116.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,854.69 : 114,344.36 = 62,400.67 : x
  2. Step 2: Convert to fraction form
    82,854.69/114,344.36 = 62,400.67/x
  3. Step 3: Cross multiply
    82,854.69x = 114,344.36 × 62,400.67
  4. Step 4: Simplify right side
    82,854.69x = 7,135,164,674.72
  5. Step 5: Solve for x
    x = 7,135,164,674.72/82,854.69
  6. Step 6: Final answer
    x = 86,116.61

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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.