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Finding the Fourth Proportional to 251,873.60, 377,810.40 and 194,792.90

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Solution

The fourth proportional to 251,873.60, 377,810.40 and 194,792.90 is: 292,189.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,873.60 : 377,810.40 = 194,792.90 : x
  2. Step 2: Convert to fraction form
    251,873.60/377,810.40 = 194,792.90/x
  3. Step 3: Cross multiply
    251,873.60x = 377,810.40 × 194,792.90
  4. Step 4: Simplify right side
    251,873.60x = 73,594,783,466.16
  5. Step 5: Solve for x
    x = 73,594,783,466.16/251,873.60
  6. Step 6: Final answer
    x = 292,189.35

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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.