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Finding the Fourth Proportional to 164,880.90, 247,321.35 and 108,784.35

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Solution

The fourth proportional to 164,880.90, 247,321.35 and 108,784.35 is: 163,176.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,880.90 : 247,321.35 = 108,784.35 : x
  2. Step 2: Convert to fraction form
    164,880.90/247,321.35 = 108,784.35/x
  3. Step 3: Cross multiply
    164,880.90x = 247,321.35 × 108,784.35
  4. Step 4: Simplify right side
    164,880.90x = 26,904,692,300.87
  5. Step 5: Solve for x
    x = 26,904,692,300.87/164,880.90
  6. Step 6: Final answer
    x = 163,176.53

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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.