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Finding the Fourth Proportional to 57,759,964.20, 86,513,975.10 and 57,759,964.20

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Solution

The fourth proportional to 57,759,964.20, 86,513,975.10 and 57,759,964.20 is: 86,513,975.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,759,964.20 : 86,513,975.10 = 57,759,964.20 : x
  2. Step 2: Convert to fraction form
    57,759,964.20/86,513,975.10 = 57,759,964.20/x
  3. Step 3: Cross multiply
    57,759,964.20x = 86,513,975.10 × 57,759,964.20
  4. Step 4: Simplify right side
    57,759,964.20x = 4,997,044,104,575,691
  5. Step 5: Solve for x
    x = 4,997,044,104,575,691/57,759,964.20
  6. Step 6: Final answer
    x = 86,513,975.10

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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.