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Finding the Fourth Proportional to 136,522.59, 204,783.95 and 43,035.63

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Solution

The fourth proportional to 136,522.59, 204,783.95 and 43,035.63 is: 64,553.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,522.59 : 204,783.95 = 43,035.63 : x
  2. Step 2: Convert to fraction form
    136,522.59/204,783.95 = 43,035.63/x
  3. Step 3: Cross multiply
    136,522.59x = 204,783.95 × 43,035.63
  4. Step 4: Simplify right side
    136,522.59x = 8,813,006,302.14
  5. Step 5: Solve for x
    x = 8,813,006,302.14/136,522.59
  6. Step 6: Final answer
    x = 64,553.47

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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.