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Finding the Fourth Proportional to 106,587.55, 159,897.11 and 35,486.96

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Solution

The fourth proportional to 106,587.55, 159,897.11 and 35,486.96 is: 53,235.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,587.55 : 159,897.11 = 35,486.96 : x
  2. Step 2: Convert to fraction form
    106,587.55/159,897.11 = 35,486.96/x
  3. Step 3: Cross multiply
    106,587.55x = 159,897.11 × 35,486.96
  4. Step 4: Simplify right side
    106,587.55x = 5,674,262,346.69
  5. Step 5: Solve for x
    x = 5,674,262,346.69/106,587.55
  6. Step 6: Final answer
    x = 53,235.70

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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.