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Finding the Fourth Proportional to 153,426, 211,753.10 and 96,087.04

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Solution

The fourth proportional to 153,426, 211,753.10 and 96,087.04 is: 132,615.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,426 : 211,753.10 = 96,087.04 : x
  2. Step 2: Convert to fraction form
    153,426/211,753.10 = 96,087.04/x
  3. Step 3: Cross multiply
    153,426x = 211,753.10 × 96,087.04
  4. Step 4: Simplify right side
    153,426x = 20,346,728,589.82
  5. Step 5: Solve for x
    x = 20,346,728,589.82/153,426
  6. Step 6: Final answer
    x = 132,615.91

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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.