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Finding the Fourth Proportional to 138,416,196.40, 207,624,294.60 and 138,416,196.40

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Solution

The fourth proportional to 138,416,196.40, 207,624,294.60 and 138,416,196.40 is: 207,624,294.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,416,196.40 : 207,624,294.60 = 138,416,196.40 : x
  2. Step 2: Convert to fraction form
    138,416,196.40/207,624,294.60 = 138,416,196.40/x
  3. Step 3: Cross multiply
    138,416,196.40x = 207,624,294.60 × 138,416,196.40
  4. Step 4: Simplify right side
    138,416,196.40x = 28,738,565,138,765,060
  5. Step 5: Solve for x
    x = 28,738,565,138,765,060/138,416,196.40
  6. Step 6: Final answer
    x = 207,624,294.60

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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.