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Finding the Fourth Proportional to 199,554.60, 299,477.70 and 132,972.60

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Solution

The fourth proportional to 199,554.60, 299,477.70 and 132,972.60 is: 199,556.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,554.60 : 299,477.70 = 132,972.60 : x
  2. Step 2: Convert to fraction form
    199,554.60/299,477.70 = 132,972.60/x
  3. Step 3: Cross multiply
    199,554.60x = 299,477.70 × 132,972.60
  4. Step 4: Simplify right side
    199,554.60x = 39,822,328,411.02
  5. Step 5: Solve for x
    x = 39,822,328,411.02/199,554.60
  6. Step 6: Final answer
    x = 199,556.05

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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.