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Finding the Fourth Proportional to 148,798.98, 223,008.66 and 69,739.02

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Solution

The fourth proportional to 148,798.98, 223,008.66 and 69,739.02 is: 104,519.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,798.98 : 223,008.66 = 69,739.02 : x
  2. Step 2: Convert to fraction form
    148,798.98/223,008.66 = 69,739.02/x
  3. Step 3: Cross multiply
    148,798.98x = 223,008.66 × 69,739.02
  4. Step 4: Simplify right side
    148,798.98x = 15,552,405,399.91
  5. Step 5: Solve for x
    x = 15,552,405,399.91/148,798.98
  6. Step 6: Final answer
    x = 104,519.57

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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.