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Finding the Fourth Proportional to 74,902,629.20, 112,357,054.20 and 23,783,205.20

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Solution

The fourth proportional to 74,902,629.20, 112,357,054.20 and 23,783,205.20 is: 35,675,795.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,902,629.20 : 112,357,054.20 = 23,783,205.20 : x
  2. Step 2: Convert to fraction form
    74,902,629.20/112,357,054.20 = 23,783,205.20/x
  3. Step 3: Cross multiply
    74,902,629.20x = 112,357,054.20 × 23,783,205.20
  4. Step 4: Simplify right side
    74,902,629.20x = 2,672,210,875,706,122
  5. Step 5: Solve for x
    x = 2,672,210,875,706,122/74,902,629.20
  6. Step 6: Final answer
    x = 35,675,795.42

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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.