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Finding the Fourth Proportional to 68,650,804.04, 94,711,409.52 and 38,874,616.80

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Solution

The fourth proportional to 68,650,804.04, 94,711,409.52 and 38,874,616.80 is: 53,631,851.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,650,804.04 : 94,711,409.52 = 38,874,616.80 : x
  2. Step 2: Convert to fraction form
    68,650,804.04/94,711,409.52 = 38,874,616.80/x
  3. Step 3: Cross multiply
    68,650,804.04x = 94,711,409.52 × 38,874,616.80
  4. Step 4: Simplify right side
    68,650,804.04x = 3,681,869,751,677,871.50
  5. Step 5: Solve for x
    x = 3,681,869,751,677,871.50/68,650,804.04
  6. Step 6: Final answer
    x = 53,631,851.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.