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Finding the Fourth Proportional to 145,203,669.40, 217,805,504.10 and 145,203,669.40

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Solution

The fourth proportional to 145,203,669.40, 217,805,504.10 and 145,203,669.40 is: 217,805,504.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,203,669.40 : 217,805,504.10 = 145,203,669.40 : x
  2. Step 2: Convert to fraction form
    145,203,669.40/217,805,504.10 = 145,203,669.40/x
  3. Step 3: Cross multiply
    145,203,669.40x = 217,805,504.10 × 145,203,669.40
  4. Step 4: Simplify right side
    145,203,669.40x = 31,626,158,410,836,744
  5. Step 5: Solve for x
    x = 31,626,158,410,836,744/145,203,669.40
  6. Step 6: Final answer
    x = 217,805,504.10

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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.