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Finding the Fourth Proportional to 112,267,548.60, 168,401,322.90 and 112,267,548.60

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Solution

The fourth proportional to 112,267,548.60, 168,401,322.90 and 112,267,548.60 is: 168,401,322.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,267,548.60 : 168,401,322.90 = 112,267,548.60 : x
  2. Step 2: Convert to fraction form
    112,267,548.60/168,401,322.90 = 112,267,548.60/x
  3. Step 3: Cross multiply
    112,267,548.60x = 168,401,322.90 × 112,267,548.60
  4. Step 4: Simplify right side
    112,267,548.60x = 18,906,003,702,980,044
  5. Step 5: Solve for x
    x = 18,906,003,702,980,044/112,267,548.60
  6. Step 6: Final answer
    x = 168,401,322.90

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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.