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Finding the Fourth Proportional to 73,394,690.60, 110,092,035.90 and 49,208,220.20

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Solution

The fourth proportional to 73,394,690.60, 110,092,035.90 and 49,208,220.20 is: 73,812,330.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,394,690.60 : 110,092,035.90 = 49,208,220.20 : x
  2. Step 2: Convert to fraction form
    73,394,690.60/110,092,035.90 = 49,208,220.20/x
  3. Step 3: Cross multiply
    73,394,690.60x = 110,092,035.90 × 49,208,220.20
  4. Step 4: Simplify right side
    73,394,690.60x = 5,417,433,144,833,506
  5. Step 5: Solve for x
    x = 5,417,433,144,833,506/73,394,690.60
  6. Step 6: Final answer
    x = 73,812,330.30

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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.