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Finding the Fourth Proportional to 174,987.58, 262,523.18 and 56,659.05

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Solution

The fourth proportional to 174,987.58, 262,523.18 and 56,659.05 is: 85,002.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,987.58 : 262,523.18 = 56,659.05 : x
  2. Step 2: Convert to fraction form
    174,987.58/262,523.18 = 56,659.05/x
  3. Step 3: Cross multiply
    174,987.58x = 262,523.18 × 56,659.05
  4. Step 4: Simplify right side
    174,987.58x = 14,874,313,981.78
  5. Step 5: Solve for x
    x = 14,874,313,981.78/174,987.58
  6. Step 6: Final answer
    x = 85,002.11

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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.