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Finding the Fourth Proportional to 67,984,977.80, 101,977,466.70 and 67,984,977.80

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Solution

The fourth proportional to 67,984,977.80, 101,977,466.70 and 67,984,977.80 is: 101,977,466.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,984,977.80 : 101,977,466.70 = 67,984,977.80 : x
  2. Step 2: Convert to fraction form
    67,984,977.80/101,977,466.70 = 67,984,977.80/x
  3. Step 3: Cross multiply
    67,984,977.80x = 101,977,466.70 × 67,984,977.80
  4. Step 4: Simplify right side
    67,984,977.80x = 6,932,935,809,699,739
  5. Step 5: Solve for x
    x = 6,932,935,809,699,739/67,984,977.80
  6. Step 6: Final answer
    x = 101,977,466.70

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1.5x scale

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.