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Finding the Fourth Proportional to 68,966,428.82, 103,457,647.92 and 22,912,407.86

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Solution

The fourth proportional to 68,966,428.82, 103,457,647.92 and 22,912,407.86 is: 34,371,271.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,966,428.82 : 103,457,647.92 = 22,912,407.86 : x
  2. Step 2: Convert to fraction form
    68,966,428.82/103,457,647.92 = 22,912,407.86/x
  3. Step 3: Cross multiply
    68,966,428.82x = 103,457,647.92 × 22,912,407.86
  4. Step 4: Simplify right side
    68,966,428.82x = 2,370,463,825,379,320.50
  5. Step 5: Solve for x
    x = 2,370,463,825,379,320.50/68,966,428.82
  6. Step 6: Final answer
    x = 34,371,271.15

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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.