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Finding the Fourth Proportional to 101,847.65, 152,779.64 and 38,698.02

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Solution

The fourth proportional to 101,847.65, 152,779.64 and 38,698.02 is: 58,050.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,847.65 : 152,779.64 = 38,698.02 : x
  2. Step 2: Convert to fraction form
    101,847.65/152,779.64 = 38,698.02/x
  3. Step 3: Cross multiply
    101,847.65x = 152,779.64 × 38,698.02
  4. Step 4: Simplify right side
    101,847.65x = 5,912,269,370.82
  5. Step 5: Solve for x
    x = 5,912,269,370.82/101,847.65
  6. Step 6: Final answer
    x = 58,050.13

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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.