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Finding the Fourth Proportional to 70,888,698.72, 97,844,604.48 and 46,170,479.52

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Solution

The fourth proportional to 70,888,698.72, 97,844,604.48 and 46,170,479.52 is: 63,727,115.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,888,698.72 : 97,844,604.48 = 46,170,479.52 : x
  2. Step 2: Convert to fraction form
    70,888,698.72/97,844,604.48 = 46,170,479.52/x
  3. Step 3: Cross multiply
    70,888,698.72x = 97,844,604.48 × 46,170,479.52
  4. Step 4: Simplify right side
    70,888,698.72x = 4,517,532,307,286,341
  5. Step 5: Solve for x
    x = 4,517,532,307,286,341/70,888,698.72
  6. Step 6: Final answer
    x = 63,727,115.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.