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Finding the Fourth Proportional to 147,975,489.90, 207,505,808.10 and 147,975,489.90

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Solution

The fourth proportional to 147,975,489.90, 207,505,808.10 and 147,975,489.90 is: 207,505,808.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,975,489.90 : 207,505,808.10 = 147,975,489.90 : x
  2. Step 2: Convert to fraction form
    147,975,489.90/207,505,808.10 = 147,975,489.90/x
  3. Step 3: Cross multiply
    147,975,489.90x = 207,505,808.10 × 147,975,489.90
  4. Step 4: Simplify right side
    147,975,489.90x = 30,705,773,610,692,888
  5. Step 5: Solve for x
    x = 30,705,773,610,692,888/147,975,489.90
  6. Step 6: Final answer
    x = 207,505,808.10

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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.