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Finding the Fourth Proportional to 173,285.01, 238,977.88 and 144,309.31

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Solution

The fourth proportional to 173,285.01, 238,977.88 and 144,309.31 is: 199,017.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,285.01 : 238,977.88 = 144,309.31 : x
  2. Step 2: Convert to fraction form
    173,285.01/238,977.88 = 144,309.31/x
  3. Step 3: Cross multiply
    173,285.01x = 238,977.88 × 144,309.31
  4. Step 4: Simplify right side
    173,285.01x = 34,486,732,968.06
  5. Step 5: Solve for x
    x = 34,486,732,968.06/173,285.01
  6. Step 6: Final answer
    x = 199,017.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.