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Finding the Fourth Proportional to 114,132.96, 170,955.60 and 92,689.02

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Solution

The fourth proportional to 114,132.96, 170,955.60 and 92,689.02 is: 138,835.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,132.96 : 170,955.60 = 92,689.02 : x
  2. Step 2: Convert to fraction form
    114,132.96/170,955.60 = 92,689.02/x
  3. Step 3: Cross multiply
    114,132.96x = 170,955.60 × 92,689.02
  4. Step 4: Simplify right side
    114,132.96x = 15,845,707,027.51
  5. Step 5: Solve for x
    x = 15,845,707,027.51/114,132.96
  6. Step 6: Final answer
    x = 138,835.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.