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Finding the Fourth Proportional to 106,476.40, 159,714.60 and 59,723.20

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Solution

The fourth proportional to 106,476.40, 159,714.60 and 59,723.20 is: 89,584.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,476.40 : 159,714.60 = 59,723.20 : x
  2. Step 2: Convert to fraction form
    106,476.40/159,714.60 = 59,723.20/x
  3. Step 3: Cross multiply
    106,476.40x = 159,714.60 × 59,723.20
  4. Step 4: Simplify right side
    106,476.40x = 9,538,666,998.72
  5. Step 5: Solve for x
    x = 9,538,666,998.72/106,476.40
  6. Step 6: Final answer
    x = 89,584.80

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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.