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Finding the Fourth Proportional to 199,287,318.60, 298,978,217.10 and 102,258,001.80

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Solution

The fourth proportional to 199,287,318.60, 298,978,217.10 and 102,258,001.80 is: 153,411,242.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,287,318.60 : 298,978,217.10 = 102,258,001.80 : x
  2. Step 2: Convert to fraction form
    199,287,318.60/298,978,217.10 = 102,258,001.80/x
  3. Step 3: Cross multiply
    199,287,318.60x = 298,978,217.10 × 102,258,001.80
  4. Step 4: Simplify right side
    199,287,318.60x = 30,572,915,062,372,592
  5. Step 5: Solve for x
    x = 30,572,915,062,372,592/199,287,318.60
  6. Step 6: Final answer
    x = 153,411,242.01

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.