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Finding the Fourth Proportional to 106,375.60, 159,486.60 and 59,642.80

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Solution

The fourth proportional to 106,375.60, 159,486.60 and 59,642.80 is: 89,421.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,375.60 : 159,486.60 = 59,642.80 : x
  2. Step 2: Convert to fraction form
    106,375.60/159,486.60 = 59,642.80/x
  3. Step 3: Cross multiply
    106,375.60x = 159,486.60 × 59,642.80
  4. Step 4: Simplify right side
    106,375.60x = 9,512,227,386.48
  5. Step 5: Solve for x
    x = 9,512,227,386.48/106,375.60
  6. Step 6: Final answer
    x = 89,421.14

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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.