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Finding the Fourth Proportional to 88,051,812.80, 123,527,629.60 and 88,051,812.80

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Solution

The fourth proportional to 88,051,812.80, 123,527,629.60 and 88,051,812.80 is: 123,527,629.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,051,812.80 : 123,527,629.60 = 88,051,812.80 : x
  2. Step 2: Convert to fraction form
    88,051,812.80/123,527,629.60 = 88,051,812.80/x
  3. Step 3: Cross multiply
    88,051,812.80x = 123,527,629.60 × 88,051,812.80
  4. Step 4: Simplify right side
    88,051,812.80x = 10,876,831,717,166,938
  5. Step 5: Solve for x
    x = 10,876,831,717,166,938/88,051,812.80
  6. Step 6: Final answer
    x = 123,527,629.60

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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.