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Finding the Fourth Proportional to 359,458.56, 539,239.68 and 110,160

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Solution

The fourth proportional to 359,458.56, 539,239.68 and 110,160 is: 165,255.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,458.56 : 539,239.68 = 110,160 : x
  2. Step 2: Convert to fraction form
    359,458.56/539,239.68 = 110,160/x
  3. Step 3: Cross multiply
    359,458.56x = 539,239.68 × 110,160
  4. Step 4: Simplify right side
    359,458.56x = 59,402,643,148.80
  5. Step 5: Solve for x
    x = 59,402,643,148.80/359,458.56
  6. Step 6: Final answer
    x = 165,255.89

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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.