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Finding the Fourth Proportional to 111,524.95, 153,904.52 and 60,537.64

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Solution

The fourth proportional to 111,524.95, 153,904.52 and 60,537.64 is: 83,541.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,524.95 : 153,904.52 = 60,537.64 : x
  2. Step 2: Convert to fraction form
    111,524.95/153,904.52 = 60,537.64/x
  3. Step 3: Cross multiply
    111,524.95x = 153,904.52 × 60,537.64
  4. Step 4: Simplify right side
    111,524.95x = 9,317,016,426.13
  5. Step 5: Solve for x
    x = 9,317,016,426.13/111,524.95
  6. Step 6: Final answer
    x = 83,541.99

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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.