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Finding the Fourth Proportional to 259,674.08, 389,276.01 and 101,860.16

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Solution

The fourth proportional to 259,674.08, 389,276.01 and 101,860.16 is: 152,698.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,674.08 : 389,276.01 = 101,860.16 : x
  2. Step 2: Convert to fraction form
    259,674.08/389,276.01 = 101,860.16/x
  3. Step 3: Cross multiply
    259,674.08x = 389,276.01 × 101,860.16
  4. Step 4: Simplify right side
    259,674.08x = 39,651,714,716.38
  5. Step 5: Solve for x
    x = 39,651,714,716.38/259,674.08
  6. Step 6: Final answer
    x = 152,698.01

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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.