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Finding the Fourth Proportional to 163,414.40, 245,121.60 and 52,606.40

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Solution

The fourth proportional to 163,414.40, 245,121.60 and 52,606.40 is: 78,909.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,414.40 : 245,121.60 = 52,606.40 : x
  2. Step 2: Convert to fraction form
    163,414.40/245,121.60 = 52,606.40/x
  3. Step 3: Cross multiply
    163,414.40x = 245,121.60 × 52,606.40
  4. Step 4: Simplify right side
    163,414.40x = 12,894,964,938.24
  5. Step 5: Solve for x
    x = 12,894,964,938.24/163,414.40
  6. Step 6: Final answer
    x = 78,909.60

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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.