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Finding the Fourth Proportional to 123,907.48, 185,787.42 and 49,038.28

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Solution

The fourth proportional to 123,907.48, 185,787.42 and 49,038.28 is: 73,528.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,907.48 : 185,787.42 = 49,038.28 : x
  2. Step 2: Convert to fraction form
    123,907.48/185,787.42 = 49,038.28/x
  3. Step 3: Cross multiply
    123,907.48x = 185,787.42 × 49,038.28
  4. Step 4: Simplify right side
    123,907.48x = 9,110,695,522.44
  5. Step 5: Solve for x
    x = 9,110,695,522.44/123,907.48
  6. Step 6: Final answer
    x = 73,528.21

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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.