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Finding the Fourth Proportional to 112,306, 168,402.60 and 37,399.68

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Solution

The fourth proportional to 112,306, 168,402.60 and 37,399.68 is: 56,080.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,306 : 168,402.60 = 37,399.68 : x
  2. Step 2: Convert to fraction form
    112,306/168,402.60 = 37,399.68/x
  3. Step 3: Cross multiply
    112,306x = 168,402.60 × 37,399.68
  4. Step 4: Simplify right side
    112,306x = 6,298,203,351.17
  5. Step 5: Solve for x
    x = 6,298,203,351.17/112,306
  6. Step 6: Final answer
    x = 56,080.74

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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.