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Finding the Fourth Proportional to 184,798.17, 255,020.91 and 99,915.23

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Solution

The fourth proportional to 184,798.17, 255,020.91 and 99,915.23 is: 137,882.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,798.17 : 255,020.91 = 99,915.23 : x
  2. Step 2: Convert to fraction form
    184,798.17/255,020.91 = 99,915.23/x
  3. Step 3: Cross multiply
    184,798.17x = 255,020.91 × 99,915.23
  4. Step 4: Simplify right side
    184,798.17x = 25,480,471,602.35
  5. Step 5: Solve for x
    x = 25,480,471,602.35/184,798.17
  6. Step 6: Final answer
    x = 137,882.71

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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.