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Finding the Fourth Proportional to 249,318,690.30, 373,978,035.45 and 166,095,029.70

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Solution

The fourth proportional to 249,318,690.30, 373,978,035.45 and 166,095,029.70 is: 249,142,544.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,318,690.30 : 373,978,035.45 = 166,095,029.70 : x
  2. Step 2: Convert to fraction form
    249,318,690.30/373,978,035.45 = 166,095,029.70/x
  3. Step 3: Cross multiply
    249,318,690.30x = 373,978,035.45 × 166,095,029.70
  4. Step 4: Simplify right side
    249,318,690.30x = 62,115,892,905,215,400
  5. Step 5: Solve for x
    x = 62,115,892,905,215,400/249,318,690.30
  6. Step 6: Final answer
    x = 249,142,544.55

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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.