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Finding the Fourth Proportional to 169,152.48, 253,762.20 and 75,659.04

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Solution

The fourth proportional to 169,152.48, 253,762.20 and 75,659.04 is: 113,503.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,152.48 : 253,762.20 = 75,659.04 : x
  2. Step 2: Convert to fraction form
    169,152.48/253,762.20 = 75,659.04/x
  3. Step 3: Cross multiply
    169,152.48x = 253,762.20 × 75,659.04
  4. Step 4: Simplify right side
    169,152.48x = 19,199,404,440.29
  5. Step 5: Solve for x
    x = 19,199,404,440.29/169,152.48
  6. Step 6: Final answer
    x = 113,503.54

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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.