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Finding the Fourth Proportional to 286,495.68, 429,622.02 and 136,562.52

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Solution

The fourth proportional to 286,495.68, 429,622.02 and 136,562.52 is: 204,785.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,495.68 : 429,622.02 = 136,562.52 : x
  2. Step 2: Convert to fraction form
    286,495.68/429,622.02 = 136,562.52/x
  3. Step 3: Cross multiply
    286,495.68x = 429,622.02 × 136,562.52
  4. Step 4: Simplify right side
    286,495.68x = 58,670,265,698.69
  5. Step 5: Solve for x
    x = 58,670,265,698.69/286,495.68
  6. Step 6: Final answer
    x = 204,785.87

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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.