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Finding the Fourth Proportional to 173,282.40, 239,150.43 and 105,310.44

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Solution

The fourth proportional to 173,282.40, 239,150.43 and 105,310.44 is: 145,341.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,282.40 : 239,150.43 = 105,310.44 : x
  2. Step 2: Convert to fraction form
    173,282.40/239,150.43 = 105,310.44/x
  3. Step 3: Cross multiply
    173,282.40x = 239,150.43 × 105,310.44
  4. Step 4: Simplify right side
    173,282.40x = 25,185,037,009.49
  5. Step 5: Solve for x
    x = 25,185,037,009.49/173,282.40
  6. Step 6: Final answer
    x = 145,341.00

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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.