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Finding the Fourth Proportional to 111,575.70, 153,973.97 and 60,588.02

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Solution

The fourth proportional to 111,575.70, 153,973.97 and 60,588.02 is: 83,611.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,575.70 : 153,973.97 = 60,588.02 : x
  2. Step 2: Convert to fraction form
    111,575.70/153,973.97 = 60,588.02/x
  3. Step 3: Cross multiply
    111,575.70x = 153,973.97 × 60,588.02
  4. Step 4: Simplify right side
    111,575.70x = 9,328,976,901.03
  5. Step 5: Solve for x
    x = 9,328,976,901.03/111,575.70
  6. Step 6: Final answer
    x = 83,611.19

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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.