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Finding the Fourth Proportional to 62,208,069.30, 86,889,743.10 and 62,208,069.30

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Solution

The fourth proportional to 62,208,069.30, 86,889,743.10 and 62,208,069.30 is: 86,889,743.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,208,069.30 : 86,889,743.10 = 62,208,069.30 : x
  2. Step 2: Convert to fraction form
    62,208,069.30/86,889,743.10 = 62,208,069.30/x
  3. Step 3: Cross multiply
    62,208,069.30x = 86,889,743.10 × 62,208,069.30
  4. Step 4: Simplify right side
    62,208,069.30x = 5,405,243,160,223,996
  5. Step 5: Solve for x
    x = 5,405,243,160,223,996/62,208,069.30
  6. Step 6: Final answer
    x = 86,889,743.10

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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.