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Finding the Fourth Proportional to 88,825.60, 133,092.60 and 75,703.60

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Solution

The fourth proportional to 88,825.60, 133,092.60 and 75,703.60 is: 113,431.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,825.60 : 133,092.60 = 75,703.60 : x
  2. Step 2: Convert to fraction form
    88,825.60/133,092.60 = 75,703.60/x
  3. Step 3: Cross multiply
    88,825.60x = 133,092.60 × 75,703.60
  4. Step 4: Simplify right side
    88,825.60x = 10,075,588,953.36
  5. Step 5: Solve for x
    x = 10,075,588,953.36/88,825.60
  6. Step 6: Final answer
    x = 113,431.14

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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.