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Finding the Fourth Proportional to 129,550,602.80, 194,325,904.20 and 129,550,602.80

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Solution

The fourth proportional to 129,550,602.80, 194,325,904.20 and 129,550,602.80 is: 194,325,904.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,550,602.80 : 194,325,904.20 = 129,550,602.80 : x
  2. Step 2: Convert to fraction form
    129,550,602.80/194,325,904.20 = 129,550,602.80/x
  3. Step 3: Cross multiply
    129,550,602.80x = 194,325,904.20 × 129,550,602.80
  4. Step 4: Simplify right side
    129,550,602.80x = 25,175,038,028,765,048
  5. Step 5: Solve for x
    x = 25,175,038,028,765,048/129,550,602.80
  6. Step 6: Final answer
    x = 194,325,904.20

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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.