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Finding the Fourth Proportional to 254,951.40, 382,572.90 and 176,122.20

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Solution

The fourth proportional to 254,951.40, 382,572.90 and 176,122.20 is: 264,284.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,951.40 : 382,572.90 = 176,122.20 : x
  2. Step 2: Convert to fraction form
    254,951.40/382,572.90 = 176,122.20/x
  3. Step 3: Cross multiply
    254,951.40x = 382,572.90 × 176,122.20
  4. Step 4: Simplify right side
    254,951.40x = 67,379,580,808.38
  5. Step 5: Solve for x
    x = 67,379,580,808.38/254,951.40
  6. Step 6: Final answer
    x = 264,284.02

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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.