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Finding the Fourth Proportional to 112,462.60, 168,644.34 and 59,859.64

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Solution

The fourth proportional to 112,462.60, 168,644.34 and 59,859.64 is: 89,763.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,462.60 : 168,644.34 = 59,859.64 : x
  2. Step 2: Convert to fraction form
    112,462.60/168,644.34 = 59,859.64/x
  3. Step 3: Cross multiply
    112,462.60x = 168,644.34 × 59,859.64
  4. Step 4: Simplify right side
    112,462.60x = 10,094,989,480.44
  5. Step 5: Solve for x
    x = 10,094,989,480.44/112,462.60
  6. Step 6: Final answer
    x = 89,763.08

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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.