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Finding the Fourth Proportional to 153,468.52, 211,890.96 and 96,131.52

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Solution

The fourth proportional to 153,468.52, 211,890.96 and 96,131.52 is: 132,726.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,468.52 : 211,890.96 = 96,131.52 : x
  2. Step 2: Convert to fraction form
    153,468.52/211,890.96 = 96,131.52/x
  3. Step 3: Cross multiply
    153,468.52x = 211,890.96 × 96,131.52
  4. Step 4: Simplify right side
    153,468.52x = 20,369,400,059.06
  5. Step 5: Solve for x
    x = 20,369,400,059.06/153,468.52
  6. Step 6: Final answer
    x = 132,726.89

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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.