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Finding the Fourth Proportional to 123,448.76, 185,134.94 and 44,553

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Solution

The fourth proportional to 123,448.76, 185,134.94 and 44,553 is: 66,815.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,448.76 : 185,134.94 = 44,553 : x
  2. Step 2: Convert to fraction form
    123,448.76/185,134.94 = 44,553/x
  3. Step 3: Cross multiply
    123,448.76x = 185,134.94 × 44,553
  4. Step 4: Simplify right side
    123,448.76x = 8,248,316,981.82
  5. Step 5: Solve for x
    x = 8,248,316,981.82/123,448.76
  6. Step 6: Final answer
    x = 66,815.71

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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.