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Finding the Fourth Proportional to 435,610.77, 653,392.65 and 136,056.96

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Solution

The fourth proportional to 435,610.77, 653,392.65 and 136,056.96 is: 204,078.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,610.77 : 653,392.65 = 136,056.96 : x
  2. Step 2: Convert to fraction form
    435,610.77/653,392.65 = 136,056.96/x
  3. Step 3: Cross multiply
    435,610.77x = 653,392.65 × 136,056.96
  4. Step 4: Simplify right side
    435,610.77x = 88,898,617,645.34
  5. Step 5: Solve for x
    x = 88,898,617,645.34/435,610.77
  6. Step 6: Final answer
    x = 204,078.10

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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.