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Finding the Fourth Proportional to 184,288.71, 254,396.88 and 123,894.38

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Solution

The fourth proportional to 184,288.71, 254,396.88 and 123,894.38 is: 171,026.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,288.71 : 254,396.88 = 123,894.38 : x
  2. Step 2: Convert to fraction form
    184,288.71/254,396.88 = 123,894.38/x
  3. Step 3: Cross multiply
    184,288.71x = 254,396.88 × 123,894.38
  4. Step 4: Simplify right side
    184,288.71x = 31,518,343,721.53
  5. Step 5: Solve for x
    x = 31,518,343,721.53/184,288.71
  6. Step 6: Final answer
    x = 171,026.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.