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Finding the Fourth Proportional to 169,050.43, 233,289.68 and 105,388.48

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Solution

The fourth proportional to 169,050.43, 233,289.68 and 105,388.48 is: 145,436.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,050.43 : 233,289.68 = 105,388.48 : x
  2. Step 2: Convert to fraction form
    169,050.43/233,289.68 = 105,388.48/x
  3. Step 3: Cross multiply
    169,050.43x = 233,289.68 × 105,388.48
  4. Step 4: Simplify right side
    169,050.43x = 24,586,044,774.89
  5. Step 5: Solve for x
    x = 24,586,044,774.89/169,050.43
  6. Step 6: Final answer
    x = 145,436.16

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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.