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Finding the Fourth Proportional to 148,770.72, 223,145.64 and 43,580.88

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Solution

The fourth proportional to 148,770.72, 223,145.64 and 43,580.88 is: 65,368.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,770.72 : 223,145.64 = 43,580.88 : x
  2. Step 2: Convert to fraction form
    148,770.72/223,145.64 = 43,580.88/x
  3. Step 3: Cross multiply
    148,770.72x = 223,145.64 × 43,580.88
  4. Step 4: Simplify right side
    148,770.72x = 9,724,883,359.36
  5. Step 5: Solve for x
    x = 9,724,883,359.36/148,770.72
  6. Step 6: Final answer
    x = 65,368.26

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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.