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Finding the Fourth Proportional to 169,347, 254,077.38 and 118,798.68

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Solution

The fourth proportional to 169,347, 254,077.38 and 118,798.68 is: 178,237.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,347 : 254,077.38 = 118,798.68 : x
  2. Step 2: Convert to fraction form
    169,347/254,077.38 = 118,798.68/x
  3. Step 3: Cross multiply
    169,347x = 254,077.38 × 118,798.68
  4. Step 4: Simplify right side
    169,347x = 30,184,057,361.86
  5. Step 5: Solve for x
    x = 30,184,057,361.86/169,347
  6. Step 6: Final answer
    x = 178,237.92

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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.