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Finding the Fourth Proportional to 181,287.60, 271,931.40 and 62,919.60

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Solution

The fourth proportional to 181,287.60, 271,931.40 and 62,919.60 is: 94,379.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,287.60 : 271,931.40 = 62,919.60 : x
  2. Step 2: Convert to fraction form
    181,287.60/271,931.40 = 62,919.60/x
  3. Step 3: Cross multiply
    181,287.60x = 271,931.40 × 62,919.60
  4. Step 4: Simplify right side
    181,287.60x = 17,109,814,915.44
  5. Step 5: Solve for x
    x = 17,109,814,915.44/181,287.60
  6. Step 6: Final answer
    x = 94,379.40

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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.