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Finding the Fourth Proportional to 250,447.68, 375,688.80 and 92,672.64

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Solution

The fourth proportional to 250,447.68, 375,688.80 and 92,672.64 is: 139,015.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,447.68 : 375,688.80 = 92,672.64 : x
  2. Step 2: Convert to fraction form
    250,447.68/375,688.80 = 92,672.64/x
  3. Step 3: Cross multiply
    250,447.68x = 375,688.80 × 92,672.64
  4. Step 4: Simplify right side
    250,447.68x = 34,816,072,914.43
  5. Step 5: Solve for x
    x = 34,816,072,914.43/250,447.68
  6. Step 6: Final answer
    x = 139,015.35

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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.