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Finding the Fourth Proportional to 169,887.42, 254,829.51 and 45,228.42

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Solution

The fourth proportional to 169,887.42, 254,829.51 and 45,228.42 is: 67,842.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,887.42 : 254,829.51 = 45,228.42 : x
  2. Step 2: Convert to fraction form
    169,887.42/254,829.51 = 45,228.42/x
  3. Step 3: Cross multiply
    169,887.42x = 254,829.51 × 45,228.42
  4. Step 4: Simplify right side
    169,887.42x = 11,525,536,106.67
  5. Step 5: Solve for x
    x = 11,525,536,106.67/169,887.42
  6. Step 6: Final answer
    x = 67,842.20

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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.