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Finding the Fourth Proportional to 435,498.71, 653,247.75 and 136,004.95

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Solution

The fourth proportional to 435,498.71, 653,247.75 and 136,004.95 is: 204,007.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,498.71 : 653,247.75 = 136,004.95 : x
  2. Step 2: Convert to fraction form
    435,498.71/653,247.75 = 136,004.95/x
  3. Step 3: Cross multiply
    435,498.71x = 653,247.75 × 136,004.95
  4. Step 4: Simplify right side
    435,498.71x = 88,844,927,576.36
  5. Step 5: Solve for x
    x = 88,844,927,576.36/435,498.71
  6. Step 6: Final answer
    x = 204,007.33

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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.