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Finding the Fourth Proportional to 101,886.81, 152,851.77 and 30,814.76

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Solution

The fourth proportional to 101,886.81, 152,851.77 and 30,814.76 is: 46,228.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,886.81 : 152,851.77 = 30,814.76 : x
  2. Step 2: Convert to fraction form
    101,886.81/152,851.77 = 30,814.76/x
  3. Step 3: Cross multiply
    101,886.81x = 152,851.77 × 30,814.76
  4. Step 4: Simplify right side
    101,886.81x = 4,710,089,843.87
  5. Step 5: Solve for x
    x = 4,710,089,843.87/101,886.81
  6. Step 6: Final answer
    x = 46,228.65

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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.