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Finding the Fourth Proportional to 435,137.68, 652,712.28 and 168,913.36

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Solution

The fourth proportional to 435,137.68, 652,712.28 and 168,913.36 is: 253,372.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,137.68 : 652,712.28 = 168,913.36 : x
  2. Step 2: Convert to fraction form
    435,137.68/652,712.28 = 168,913.36/x
  3. Step 3: Cross multiply
    435,137.68x = 652,712.28 × 168,913.36
  4. Step 4: Simplify right side
    435,137.68x = 110,251,824,328.06
  5. Step 5: Solve for x
    x = 110,251,824,328.06/435,137.68
  6. Step 6: Final answer
    x = 253,372.28

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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.