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Finding the Fourth Proportional to 111,484.60, 153,847.96 and 60,496.03

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Solution

The fourth proportional to 111,484.60, 153,847.96 and 60,496.03 is: 83,484.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,484.60 : 153,847.96 = 60,496.03 : x
  2. Step 2: Convert to fraction form
    111,484.60/153,847.96 = 60,496.03/x
  3. Step 3: Cross multiply
    111,484.60x = 153,847.96 × 60,496.03
  4. Step 4: Simplify right side
    111,484.60x = 9,307,190,803.60
  5. Step 5: Solve for x
    x = 9,307,190,803.60/111,484.60
  6. Step 6: Final answer
    x = 83,484.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.