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Finding the Fourth Proportional to 154,893.21, 232,336.40 and 63,689.40

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Solution

The fourth proportional to 154,893.21, 232,336.40 and 63,689.40 is: 95,532.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,893.21 : 232,336.40 = 63,689.40 : x
  2. Step 2: Convert to fraction form
    154,893.21/232,336.40 = 63,689.40/x
  3. Step 3: Cross multiply
    154,893.21x = 232,336.40 × 63,689.40
  4. Step 4: Simplify right side
    154,893.21x = 14,797,365,914.16
  5. Step 5: Solve for x
    x = 14,797,365,914.16/154,893.21
  6. Step 6: Final answer
    x = 95,532.70

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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.