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Finding the Fourth Proportional to 62,232,142.80, 86,954,938.80 and 62,232,142.80

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Solution

The fourth proportional to 62,232,142.80, 86,954,938.80 and 62,232,142.80 is: 86,954,938.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,232,142.80 : 86,954,938.80 = 62,232,142.80 : x
  2. Step 2: Convert to fraction form
    62,232,142.80/86,954,938.80 = 62,232,142.80/x
  3. Step 3: Cross multiply
    62,232,142.80x = 86,954,938.80 × 62,232,142.80
  4. Step 4: Simplify right side
    62,232,142.80x = 5,411,392,168,566,860
  5. Step 5: Solve for x
    x = 5,411,392,168,566,860/62,232,142.80
  6. Step 6: Final answer
    x = 86,954,938.80

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.