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Finding the Fourth Proportional to 269,839,152.40, 404,758,725.88 and 97,315,963.40

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Solution

The fourth proportional to 269,839,152.40, 404,758,725.88 and 97,315,963.40 is: 145,973,944.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,839,152.40 : 404,758,725.88 = 97,315,963.40 : x
  2. Step 2: Convert to fraction form
    269,839,152.40/404,758,725.88 = 97,315,963.40/x
  3. Step 3: Cross multiply
    269,839,152.40x = 404,758,725.88 × 97,315,963.40
  4. Step 4: Simplify right side
    269,839,152.40x = 39,389,485,353,568,712
  5. Step 5: Solve for x
    x = 39,389,485,353,568,712/269,839,152.40
  6. Step 6: Final answer
    x = 145,973,944.12

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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.