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Finding the Fourth Proportional to 68,352,005.60, 102,528,008.40 and 35,959,608.80

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Solution

The fourth proportional to 68,352,005.60, 102,528,008.40 and 35,959,608.80 is: 53,939,413.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,352,005.60 : 102,528,008.40 = 35,959,608.80 : x
  2. Step 2: Convert to fraction form
    68,352,005.60/102,528,008.40 = 35,959,608.80/x
  3. Step 3: Cross multiply
    68,352,005.60x = 102,528,008.40 × 35,959,608.80
  4. Step 4: Simplify right side
    68,352,005.60x = 3,686,867,073,107,114
  5. Step 5: Solve for x
    x = 3,686,867,073,107,114/68,352,005.60
  6. Step 6: Final answer
    x = 53,939,413.20

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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.