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Finding the Fourth Proportional to 98,327,999.70, 137,404,107.90 and 98,327,999.70

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Solution

The fourth proportional to 98,327,999.70, 137,404,107.90 and 98,327,999.70 is: 137,404,107.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,327,999.70 : 137,404,107.90 = 98,327,999.70 : x
  2. Step 2: Convert to fraction form
    98,327,999.70/137,404,107.90 = 98,327,999.70/x
  3. Step 3: Cross multiply
    98,327,999.70x = 137,404,107.90 × 98,327,999.70
  4. Step 4: Simplify right side
    98,327,999.70x = 13,510,671,080,369,968
  5. Step 5: Solve for x
    x = 13,510,671,080,369,968/98,327,999.70
  6. Step 6: Final answer
    x = 137,404,107.90

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1.5x scale

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.