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Finding the Fourth Proportional to 163,730, 245,635.32 and 52,922

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Solution

The fourth proportional to 163,730, 245,635.32 and 52,922 is: 79,396.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,730 : 245,635.32 = 52,922 : x
  2. Step 2: Convert to fraction form
    163,730/245,635.32 = 52,922/x
  3. Step 3: Cross multiply
    163,730x = 245,635.32 × 52,922
  4. Step 4: Simplify right side
    163,730x = 12,999,512,405.04
  5. Step 5: Solve for x
    x = 12,999,512,405.04/163,730
  6. Step 6: Final answer
    x = 79,396.03

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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.