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Finding the Fourth Proportional to 170,614.60, 255,461.10 and 133,750.60

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Solution

The fourth proportional to 170,614.60, 255,461.10 and 133,750.60 is: 200,264.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,614.60 : 255,461.10 = 133,750.60 : x
  2. Step 2: Convert to fraction form
    170,614.60/255,461.10 = 133,750.60/x
  3. Step 3: Cross multiply
    170,614.60x = 255,461.10 × 133,750.60
  4. Step 4: Simplify right side
    170,614.60x = 34,168,075,401.66
  5. Step 5: Solve for x
    x = 34,168,075,401.66/170,614.60
  6. Step 6: Final answer
    x = 200,264.66

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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.