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Finding the Fourth Proportional to 183,572.95, 275,438.36 and 99,393.27

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Solution

The fourth proportional to 183,572.95, 275,438.36 and 99,393.27 is: 149,132.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,572.95 : 275,438.36 = 99,393.27 : x
  2. Step 2: Convert to fraction form
    183,572.95/275,438.36 = 99,393.27/x
  3. Step 3: Cross multiply
    183,572.95x = 275,438.36 × 99,393.27
  4. Step 4: Simplify right side
    183,572.95x = 27,376,719,283.84
  5. Step 5: Solve for x
    x = 27,376,719,283.84/183,572.95
  6. Step 6: Final answer
    x = 149,132.64

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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.