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Finding the Fourth Proportional to 275,572,851.80, 413,359,277.70 and 166,521,158.60

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Solution

The fourth proportional to 275,572,851.80, 413,359,277.70 and 166,521,158.60 is: 249,781,737.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,572,851.80 : 413,359,277.70 = 166,521,158.60 : x
  2. Step 2: Convert to fraction form
    275,572,851.80/413,359,277.70 = 166,521,158.60/x
  3. Step 3: Cross multiply
    275,572,851.80x = 413,359,277.70 × 166,521,158.60
  4. Step 4: Simplify right side
    275,572,851.80x = 68,833,065,840,663,136
  5. Step 5: Solve for x
    x = 68,833,065,840,663,136/275,572,851.80
  6. Step 6: Final answer
    x = 249,781,737.90

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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.