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Finding the Fourth Proportional to 88,079,280.80, 123,566,084.80 and 88,079,280.80

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Solution

The fourth proportional to 88,079,280.80, 123,566,084.80 and 88,079,280.80 is: 123,566,084.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,079,280.80 : 123,566,084.80 = 88,079,280.80 : x
  2. Step 2: Convert to fraction form
    88,079,280.80/123,566,084.80 = 88,079,280.80/x
  3. Step 3: Cross multiply
    88,079,280.80x = 123,566,084.80 × 88,079,280.80
  4. Step 4: Simplify right side
    88,079,280.80x = 10,883,611,880,455,812
  5. Step 5: Solve for x
    x = 10,883,611,880,455,812/88,079,280.80
  6. Step 6: Final answer
    x = 123,566,084.80

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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.