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Finding the Fourth Proportional to 112,463.60, 168,645.84 and 59,860.64

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Solution

The fourth proportional to 112,463.60, 168,645.84 and 59,860.64 is: 89,764.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,463.60 : 168,645.84 = 59,860.64 : x
  2. Step 2: Convert to fraction form
    112,463.60/168,645.84 = 59,860.64/x
  3. Step 3: Cross multiply
    112,463.60x = 168,645.84 × 59,860.64
  4. Step 4: Simplify right side
    112,463.60x = 10,095,247,915.74
  5. Step 5: Solve for x
    x = 10,095,247,915.74/112,463.60
  6. Step 6: Final answer
    x = 89,764.58

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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.