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Finding the Fourth Proportional to 144,647.11, 199,566.56 and 93,698.87

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Solution

The fourth proportional to 144,647.11, 199,566.56 and 93,698.87 is: 129,274.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,647.11 : 199,566.56 = 93,698.87 : x
  2. Step 2: Convert to fraction form
    144,647.11/199,566.56 = 93,698.87/x
  3. Step 3: Cross multiply
    144,647.11x = 199,566.56 × 93,698.87
  4. Step 4: Simplify right side
    144,647.11x = 18,699,160,693.29
  5. Step 5: Solve for x
    x = 18,699,160,693.29/144,647.11
  6. Step 6: Final answer
    x = 129,274.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.