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Finding the Fourth Proportional to 72,183,868.60, 108,275,802.90 and 23,650,019.29

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Solution

The fourth proportional to 72,183,868.60, 108,275,802.90 and 23,650,019.29 is: 35,475,028.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,183,868.60 : 108,275,802.90 = 23,650,019.29 : x
  2. Step 2: Convert to fraction form
    72,183,868.60/108,275,802.90 = 23,650,019.29/x
  3. Step 3: Cross multiply
    72,183,868.60x = 108,275,802.90 × 23,650,019.29
  4. Step 4: Simplify right side
    72,183,868.60x = 2,560,724,827,225,238
  5. Step 5: Solve for x
    x = 2,560,724,827,225,238/72,183,868.60
  6. Step 6: Final answer
    x = 35,475,028.94

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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.