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Finding the Fourth Proportional to 58,278,701.10, 81,709,620.90 and 58,278,701.10

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Solution

The fourth proportional to 58,278,701.10, 81,709,620.90 and 58,278,701.10 is: 81,709,620.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,278,701.10 : 81,709,620.90 = 58,278,701.10 : x
  2. Step 2: Convert to fraction form
    58,278,701.10/81,709,620.90 = 58,278,701.10/x
  3. Step 3: Cross multiply
    58,278,701.10x = 81,709,620.90 × 58,278,701.10
  4. Step 4: Simplify right side
    58,278,701.10x = 4,761,930,573,425,413
  5. Step 5: Solve for x
    x = 4,761,930,573,425,413/58,278,701.10
  6. Step 6: Final answer
    x = 81,709,620.90

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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.