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Finding the Fourth Proportional to 152,365.56, 228,585.24 and 45,749.31

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Solution

The fourth proportional to 152,365.56, 228,585.24 and 45,749.31 is: 68,635.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,365.56 : 228,585.24 = 45,749.31 : x
  2. Step 2: Convert to fraction form
    152,365.56/228,585.24 = 45,749.31/x
  3. Step 3: Cross multiply
    152,365.56x = 228,585.24 × 45,749.31
  4. Step 4: Simplify right side
    152,365.56x = 10,457,616,148.99
  5. Step 5: Solve for x
    x = 10,457,616,148.99/152,365.56
  6. Step 6: Final answer
    x = 68,635.04

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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.