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Finding the Fourth Proportional to 202,602.70, 303,503.10 and 177,670.90

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Solution

The fourth proportional to 202,602.70, 303,503.10 and 177,670.90 is: 266,154.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,602.70 : 303,503.10 = 177,670.90 : x
  2. Step 2: Convert to fraction form
    202,602.70/303,503.10 = 177,670.90/x
  3. Step 3: Cross multiply
    202,602.70x = 303,503.10 × 177,670.90
  4. Step 4: Simplify right side
    202,602.70x = 53,923,668,929.79
  5. Step 5: Solve for x
    x = 53,923,668,929.79/202,602.70
  6. Step 6: Final answer
    x = 266,154.74

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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.