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Finding the Fourth Proportional to 86,735.54, 119,693.48 and 49,008.98

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Solution

The fourth proportional to 86,735.54, 119,693.48 and 49,008.98 is: 67,631.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,735.54 : 119,693.48 = 49,008.98 : x
  2. Step 2: Convert to fraction form
    86,735.54/119,693.48 = 49,008.98/x
  3. Step 3: Cross multiply
    86,735.54x = 119,693.48 × 49,008.98
  4. Step 4: Simplify right side
    86,735.54x = 5,866,055,367.45
  5. Step 5: Solve for x
    x = 5,866,055,367.45/86,735.54
  6. Step 6: Final answer
    x = 67,631.51

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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.