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Finding the Fourth Proportional to 111,174.50, 153,420.62 and 60,187.21

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Solution

The fourth proportional to 111,174.50, 153,420.62 and 60,187.21 is: 83,058.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,174.50 : 153,420.62 = 60,187.21 : x
  2. Step 2: Convert to fraction form
    111,174.50/153,420.62 = 60,187.21/x
  3. Step 3: Cross multiply
    111,174.50x = 153,420.62 × 60,187.21
  4. Step 4: Simplify right side
    111,174.50x = 9,233,959,074.27
  5. Step 5: Solve for x
    x = 9,233,959,074.27/111,174.50
  6. Step 6: Final answer
    x = 83,058.25

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1.5x scale

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.