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Finding the Fourth Proportional to 489,043.17, 733,564.08 and 134,084.90

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Solution

The fourth proportional to 489,043.17, 733,564.08 and 134,084.90 is: 201,127.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,043.17 : 733,564.08 = 134,084.90 : x
  2. Step 2: Convert to fraction form
    489,043.17/733,564.08 = 134,084.90/x
  3. Step 3: Cross multiply
    489,043.17x = 733,564.08 × 134,084.90
  4. Step 4: Simplify right side
    489,043.17x = 98,359,868,144.30
  5. Step 5: Solve for x
    x = 98,359,868,144.30/489,043.17
  6. Step 6: Final answer
    x = 201,127.17

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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.