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Finding the Fourth Proportional to 166,463,999.90, 249,695,999.85 and 166,463,999.90

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Solution

The fourth proportional to 166,463,999.90, 249,695,999.85 and 166,463,999.90 is: 249,695,999.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,463,999.90 : 249,695,999.85 = 166,463,999.90 : x
  2. Step 2: Convert to fraction form
    166,463,999.90/249,695,999.85 = 166,463,999.90/x
  3. Step 3: Cross multiply
    166,463,999.90x = 249,695,999.85 × 166,463,999.90
  4. Step 4: Simplify right side
    166,463,999.90x = 41,565,394,894,060,800
  5. Step 5: Solve for x
    x = 41,565,394,894,060,800/166,463,999.90
  6. Step 6: Final answer
    x = 249,695,999.85

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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.