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Finding the Fourth Proportional to 183,763.60, 275,574.03 and 71,428.93

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Solution

The fourth proportional to 183,763.60, 275,574.03 and 71,428.93 is: 107,115.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,763.60 : 275,574.03 = 71,428.93 : x
  2. Step 2: Convert to fraction form
    183,763.60/275,574.03 = 71,428.93/x
  3. Step 3: Cross multiply
    183,763.60x = 275,574.03 × 71,428.93
  4. Step 4: Simplify right side
    183,763.60x = 19,683,958,098.69
  5. Step 5: Solve for x
    x = 19,683,958,098.69/183,763.60
  6. Step 6: Final answer
    x = 107,115.65

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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.