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Finding the Fourth Proportional to 250,724.81, 376,142.58 and 92,953.28

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Solution

The fourth proportional to 250,724.81, 376,142.58 and 92,953.28 is: 139,450.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,724.81 : 376,142.58 = 92,953.28 : x
  2. Step 2: Convert to fraction form
    250,724.81/376,142.58 = 92,953.28/x
  3. Step 3: Cross multiply
    250,724.81x = 376,142.58 × 92,953.28
  4. Step 4: Simplify right side
    250,724.81x = 34,963,687,499.02
  5. Step 5: Solve for x
    x = 34,963,687,499.02/250,724.81
  6. Step 6: Final answer
    x = 139,450.45

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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.