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Finding the Fourth Proportional to 164,840.40, 247,260.60 and 54,032.40

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Solution

The fourth proportional to 164,840.40, 247,260.60 and 54,032.40 is: 81,048.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,840.40 : 247,260.60 = 54,032.40 : x
  2. Step 2: Convert to fraction form
    164,840.40/247,260.60 = 54,032.40/x
  3. Step 3: Cross multiply
    164,840.40x = 247,260.60 × 54,032.40
  4. Step 4: Simplify right side
    164,840.40x = 13,360,083,643.44
  5. Step 5: Solve for x
    x = 13,360,083,643.44/164,840.40
  6. Step 6: Final answer
    x = 81,048.60

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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.