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Finding the Fourth Proportional to 169,504.68, 233,961.84 and 105,804.12

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Solution

The fourth proportional to 169,504.68, 233,961.84 and 105,804.12 is: 146,038.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,504.68 : 233,961.84 = 105,804.12 : x
  2. Step 2: Convert to fraction form
    169,504.68/233,961.84 = 105,804.12/x
  3. Step 3: Cross multiply
    169,504.68x = 233,961.84 × 105,804.12
  4. Step 4: Simplify right side
    169,504.68x = 24,754,126,594.78
  5. Step 5: Solve for x
    x = 24,754,126,594.78/169,504.68
  6. Step 6: Final answer
    x = 146,038.01

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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.