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Finding the Fourth Proportional to 153,470.96, 211,688.52 and 96,010.58

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Solution

The fourth proportional to 153,470.96, 211,688.52 and 96,010.58 is: 132,431.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,470.96 : 211,688.52 = 96,010.58 : x
  2. Step 2: Convert to fraction form
    153,470.96/211,688.52 = 96,010.58/x
  3. Step 3: Cross multiply
    153,470.96x = 211,688.52 × 96,010.58
  4. Step 4: Simplify right side
    153,470.96x = 20,324,337,584.54
  5. Step 5: Solve for x
    x = 20,324,337,584.54/153,470.96
  6. Step 6: Final answer
    x = 132,431.16

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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.