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Finding the Fourth Proportional to 165,071.88, 247,706.19 and 59,899.05

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Solution

The fourth proportional to 165,071.88, 247,706.19 and 59,899.05 is: 89,884.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,071.88 : 247,706.19 = 59,899.05 : x
  2. Step 2: Convert to fraction form
    165,071.88/247,706.19 = 59,899.05/x
  3. Step 3: Cross multiply
    165,071.88x = 247,706.19 × 59,899.05
  4. Step 4: Simplify right side
    165,071.88x = 14,837,365,460.12
  5. Step 5: Solve for x
    x = 14,837,365,460.12/165,071.88
  6. Step 6: Final answer
    x = 89,884.27

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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.