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Finding the Fourth Proportional to 59,978,805.30, 89,968,207.95 and 59,978,805.30

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Solution

The fourth proportional to 59,978,805.30, 89,968,207.95 and 59,978,805.30 is: 89,968,207.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,978,805.30 : 89,968,207.95 = 59,978,805.30 : x
  2. Step 2: Convert to fraction form
    59,978,805.30/89,968,207.95 = 59,978,805.30/x
  3. Step 3: Cross multiply
    59,978,805.30x = 89,968,207.95 × 59,978,805.30
  4. Step 4: Simplify right side
    59,978,805.30x = 5,396,185,627,822,962
  5. Step 5: Solve for x
    x = 5,396,185,627,822,962/59,978,805.30
  6. Step 6: Final answer
    x = 89,968,207.95

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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.