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Finding the Fourth Proportional to 112,348.60, 168,717.30 and 59,860.60

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Solution

The fourth proportional to 112,348.60, 168,717.30 and 59,860.60 is: 89,894.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,348.60 : 168,717.30 = 59,860.60 : x
  2. Step 2: Convert to fraction form
    112,348.60/168,717.30 = 59,860.60/x
  3. Step 3: Cross multiply
    112,348.60x = 168,717.30 × 59,860.60
  4. Step 4: Simplify right side
    112,348.60x = 10,099,518,808.38
  5. Step 5: Solve for x
    x = 10,099,518,808.38/112,348.60
  6. Step 6: Final answer
    x = 89,894.48

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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.