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Finding the Fourth Proportional to 435,611.67, 653,548.73 and 136,080.15

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Solution

The fourth proportional to 435,611.67, 653,548.73 and 136,080.15 is: 204,161.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,611.67 : 653,548.73 = 136,080.15 : x
  2. Step 2: Convert to fraction form
    435,611.67/653,548.73 = 136,080.15/x
  3. Step 3: Cross multiply
    435,611.67x = 653,548.73 × 136,080.15
  4. Step 4: Simplify right side
    435,611.67x = 88,935,009,210.71
  5. Step 5: Solve for x
    x = 88,935,009,210.71/435,611.67
  6. Step 6: Final answer
    x = 204,161.22

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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.