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Finding the Fourth Proportional to 98,366,823.80, 147,284,814.90 and 98,366,823.80

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Solution

The fourth proportional to 98,366,823.80, 147,284,814.90 and 98,366,823.80 is: 147,284,814.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,366,823.80 : 147,284,814.90 = 98,366,823.80 : x
  2. Step 2: Convert to fraction form
    98,366,823.80/147,284,814.90 = 98,366,823.80/x
  3. Step 3: Cross multiply
    98,366,823.80x = 147,284,814.90 × 98,366,823.80
  4. Step 4: Simplify right side
    98,366,823.80x = 14,487,939,435,683,914
  5. Step 5: Solve for x
    x = 14,487,939,435,683,914/98,366,823.80
  6. Step 6: Final answer
    x = 147,284,814.90

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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.