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Finding the Fourth Proportional to 201,008.85, 277,522.02 and 124,609.59

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Solution

The fourth proportional to 201,008.85, 277,522.02 and 124,609.59 is: 172,041.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,008.85 : 277,522.02 = 124,609.59 : x
  2. Step 2: Convert to fraction form
    201,008.85/277,522.02 = 124,609.59/x
  3. Step 3: Cross multiply
    201,008.85x = 277,522.02 × 124,609.59
  4. Step 4: Simplify right side
    201,008.85x = 34,581,905,128.17
  5. Step 5: Solve for x
    x = 34,581,905,128.17/201,008.85
  6. Step 6: Final answer
    x = 172,041.70

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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.