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Finding the Fourth Proportional to 136,096.96, 187,748.37 and 88,365.28

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Solution

The fourth proportional to 136,096.96, 187,748.37 and 88,365.28 is: 121,901.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,096.96 : 187,748.37 = 88,365.28 : x
  2. Step 2: Convert to fraction form
    136,096.96/187,748.37 = 88,365.28/x
  3. Step 3: Cross multiply
    136,096.96x = 187,748.37 × 88,365.28
  4. Step 4: Simplify right side
    136,096.96x = 16,590,437,284.59
  5. Step 5: Solve for x
    x = 16,590,437,284.59/136,096.96
  6. Step 6: Final answer
    x = 121,901.60

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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.