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Finding the Fourth Proportional to 183,750.90, 275,634.45 and 103,787.70

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Solution

The fourth proportional to 183,750.90, 275,634.45 and 103,787.70 is: 155,686.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,750.90 : 275,634.45 = 103,787.70 : x
  2. Step 2: Convert to fraction form
    183,750.90/275,634.45 = 103,787.70/x
  3. Step 3: Cross multiply
    183,750.90x = 275,634.45 × 103,787.70
  4. Step 4: Simplify right side
    183,750.90x = 28,607,465,606.27
  5. Step 5: Solve for x
    x = 28,607,465,606.27/183,750.90
  6. Step 6: Final answer
    x = 155,686.13

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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.