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Finding the Fourth Proportional to 295,671.51, 443,521.54 and 82,439.01

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Solution

The fourth proportional to 295,671.51, 443,521.54 and 82,439.01 is: 123,662.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,671.51 : 443,521.54 = 82,439.01 : x
  2. Step 2: Convert to fraction form
    295,671.51/443,521.54 = 82,439.01/x
  3. Step 3: Cross multiply
    295,671.51x = 443,521.54 × 82,439.01
  4. Step 4: Simplify right side
    295,671.51x = 36,563,476,671.28
  5. Step 5: Solve for x
    x = 36,563,476,671.28/295,671.51
  6. Step 6: Final answer
    x = 123,662.50

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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.