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Finding the Fourth Proportional to 111,598.78, 167,255.70 and 52,303.81

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Solution

The fourth proportional to 111,598.78, 167,255.70 and 52,303.81 is: 78,388.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,598.78 : 167,255.70 = 52,303.81 : x
  2. Step 2: Convert to fraction form
    111,598.78/167,255.70 = 52,303.81/x
  3. Step 3: Cross multiply
    111,598.78x = 167,255.70 × 52,303.81
  4. Step 4: Simplify right side
    111,598.78x = 8,748,110,354.22
  5. Step 5: Solve for x
    x = 8,748,110,354.22/111,598.78
  6. Step 6: Final answer
    x = 78,388.94

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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.