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Finding the Fourth Proportional to 250,685.40, 376,157.34 and 166,503.81

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Solution

The fourth proportional to 250,685.40, 376,157.34 and 166,503.81 is: 249,841.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,685.40 : 376,157.34 = 166,503.81 : x
  2. Step 2: Convert to fraction form
    250,685.40/376,157.34 = 166,503.81/x
  3. Step 3: Cross multiply
    250,685.40x = 376,157.34 × 166,503.81
  4. Step 4: Simplify right side
    250,685.40x = 62,631,630,269.47
  5. Step 5: Solve for x
    x = 62,631,630,269.47/250,685.40
  6. Step 6: Final answer
    x = 249,841.56

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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.