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Finding the Fourth Proportional to 359,987.25, 540,068.36 and 110,669.25

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Solution

The fourth proportional to 359,987.25, 540,068.36 and 110,669.25 is: 166,030.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,987.25 : 540,068.36 = 110,669.25 : x
  2. Step 2: Convert to fraction form
    359,987.25/540,068.36 = 110,669.25/x
  3. Step 3: Cross multiply
    359,987.25x = 540,068.36 × 110,669.25
  4. Step 4: Simplify right side
    359,987.25x = 59,768,959,796.58
  5. Step 5: Solve for x
    x = 59,768,959,796.58/359,987.25
  6. Step 6: Final answer
    x = 166,030.77

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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.