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Finding the Fourth Proportional to 88,866.54, 133,272.90 and 46,723.91

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Solution

The fourth proportional to 88,866.54, 133,272.90 and 46,723.91 is: 70,071.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,866.54 : 133,272.90 = 46,723.91 : x
  2. Step 2: Convert to fraction form
    88,866.54/133,272.90 = 46,723.91/x
  3. Step 3: Cross multiply
    88,866.54x = 133,272.90 × 46,723.91
  4. Step 4: Simplify right side
    88,866.54x = 6,227,030,318.67
  5. Step 5: Solve for x
    x = 6,227,030,318.67/88,866.54
  6. Step 6: Final answer
    x = 70,071.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.