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Finding the Fourth Proportional to 79,003,411.70, 110,680,359.10 and 79,003,411.70

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Solution

The fourth proportional to 79,003,411.70, 110,680,359.10 and 79,003,411.70 is: 110,680,359.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,003,411.70 : 110,680,359.10 = 79,003,411.70 : x
  2. Step 2: Convert to fraction form
    79,003,411.70/110,680,359.10 = 79,003,411.70/x
  3. Step 3: Cross multiply
    79,003,411.70x = 110,680,359.10 × 79,003,411.70
  4. Step 4: Simplify right side
    79,003,411.70x = 8,744,125,977,081,141
  5. Step 5: Solve for x
    x = 8,744,125,977,081,141/79,003,411.70
  6. Step 6: Final answer
    x = 110,680,359.10

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.