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Finding the Fourth Proportional to 99,559.58, 149,287.52 and 46,954.94

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Solution

The fourth proportional to 99,559.58, 149,287.52 and 46,954.94 is: 70,407.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,559.58 : 149,287.52 = 46,954.94 : x
  2. Step 2: Convert to fraction form
    99,559.58/149,287.52 = 46,954.94/x
  3. Step 3: Cross multiply
    99,559.58x = 149,287.52 × 46,954.94
  4. Step 4: Simplify right side
    99,559.58x = 7,009,786,544.35
  5. Step 5: Solve for x
    x = 7,009,786,544.35/99,559.58
  6. Step 6: Final answer
    x = 70,407.96

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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.