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Finding the Fourth Proportional to 169,804.55, 254,715.53 and 43,445.87

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Solution

The fourth proportional to 169,804.55, 254,715.53 and 43,445.87 is: 65,171.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,804.55 : 254,715.53 = 43,445.87 : x
  2. Step 2: Convert to fraction form
    169,804.55/254,715.53 = 43,445.87/x
  3. Step 3: Cross multiply
    169,804.55x = 254,715.53 × 43,445.87
  4. Step 4: Simplify right side
    169,804.55x = 11,066,336,638.40
  5. Step 5: Solve for x
    x = 11,066,336,638.40/169,804.55
  6. Step 6: Final answer
    x = 65,171.03

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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.