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Finding the Fourth Proportional to 169,239.04, 253,880.16 and 56,871.04

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Solution

The fourth proportional to 169,239.04, 253,880.16 and 56,871.04 is: 85,313.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,239.04 : 253,880.16 = 56,871.04 : x
  2. Step 2: Convert to fraction form
    169,239.04/253,880.16 = 56,871.04/x
  3. Step 3: Cross multiply
    169,239.04x = 253,880.16 × 56,871.04
  4. Step 4: Simplify right side
    169,239.04x = 14,438,428,734.57
  5. Step 5: Solve for x
    x = 14,438,428,734.57/169,239.04
  6. Step 6: Final answer
    x = 85,313.82

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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.