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Finding the Fourth Proportional to 70,594,147.98, 105,566,151.74 and 67,150,410.30

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Solution

The fourth proportional to 70,594,147.98, 105,566,151.74 and 67,150,410.30 is: 100,416,402.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,594,147.98 : 105,566,151.74 = 67,150,410.30 : x
  2. Step 2: Convert to fraction form
    70,594,147.98/105,566,151.74 = 67,150,410.30/x
  3. Step 3: Cross multiply
    70,594,147.98x = 105,566,151.74 × 67,150,410.30
  4. Step 4: Simplify right side
    70,594,147.98x = 7,088,810,402,797,307
  5. Step 5: Solve for x
    x = 7,088,810,402,797,307/70,594,147.98
  6. Step 6: Final answer
    x = 100,416,402.86

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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.