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Finding the Fourth Proportional to 265,235.18, 397,707.37 and 105,148.94

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Solution

The fourth proportional to 265,235.18, 397,707.37 and 105,148.94 is: 157,665.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,235.18 : 397,707.37 = 105,148.94 : x
  2. Step 2: Convert to fraction form
    265,235.18/397,707.37 = 105,148.94/x
  3. Step 3: Cross multiply
    265,235.18x = 397,707.37 × 105,148.94
  4. Step 4: Simplify right side
    265,235.18x = 41,818,508,385.69
  5. Step 5: Solve for x
    x = 41,818,508,385.69/265,235.18
  6. Step 6: Final answer
    x = 157,665.77

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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.