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Finding the Fourth Proportional to 57,607,675.80, 86,411,513.70 and 57,607,675.80

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Solution

The fourth proportional to 57,607,675.80, 86,411,513.70 and 57,607,675.80 is: 86,411,513.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,607,675.80 : 86,411,513.70 = 57,607,675.80 : x
  2. Step 2: Convert to fraction form
    57,607,675.80/86,411,513.70 = 57,607,675.80/x
  3. Step 3: Cross multiply
    57,607,675.80x = 86,411,513.70 × 57,607,675.80
  4. Step 4: Simplify right side
    57,607,675.80x = 4,977,966,466,616,858
  5. Step 5: Solve for x
    x = 4,977,966,466,616,858/57,607,675.80
  6. Step 6: Final answer
    x = 86,411,513.70

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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.