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Finding the Fourth Proportional to 174,179, 261,282 and 54,220.88

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Solution

The fourth proportional to 174,179, 261,282 and 54,220.88 is: 81,335.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,179 : 261,282 = 54,220.88 : x
  2. Step 2: Convert to fraction form
    174,179/261,282 = 54,220.88/x
  3. Step 3: Cross multiply
    174,179x = 261,282 × 54,220.88
  4. Step 4: Simplify right side
    174,179x = 14,166,939,968.16
  5. Step 5: Solve for x
    x = 14,166,939,968.16/174,179
  6. Step 6: Final answer
    x = 81,335.52

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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.