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Finding the Fourth Proportional to 359,438.51, 539,240.69 and 106,713.32

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Solution

The fourth proportional to 359,438.51, 539,240.69 and 106,713.32 is: 160,094.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,438.51 : 539,240.69 = 106,713.32 : x
  2. Step 2: Convert to fraction form
    359,438.51/539,240.69 = 106,713.32/x
  3. Step 3: Cross multiply
    359,438.51x = 539,240.69 × 106,713.32
  4. Step 4: Simplify right side
    359,438.51x = 57,544,161,879.57
  5. Step 5: Solve for x
    x = 57,544,161,879.57/359,438.51
  6. Step 6: Final answer
    x = 160,094.59

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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.