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Finding the Fourth Proportional to 76,659,615.10, 114,989,422.65 and 22,806,927.10

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Solution

The fourth proportional to 76,659,615.10, 114,989,422.65 and 22,806,927.10 is: 34,210,390.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,659,615.10 : 114,989,422.65 = 22,806,927.10 : x
  2. Step 2: Convert to fraction form
    76,659,615.10/114,989,422.65 = 22,806,927.10/x
  3. Step 3: Cross multiply
    76,659,615.10x = 114,989,422.65 × 22,806,927.10
  4. Step 4: Simplify right side
    76,659,615.10x = 2,622,555,379,649,639
  5. Step 5: Solve for x
    x = 2,622,555,379,649,639/76,659,615.10
  6. Step 6: Final answer
    x = 34,210,390.65

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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.