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Finding the Fourth Proportional to 112,564.49, 168,811.49 and 37,667.13

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Solution

The fourth proportional to 112,564.49, 168,811.49 and 37,667.13 is: 56,488.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,564.49 : 168,811.49 = 37,667.13 : x
  2. Step 2: Convert to fraction form
    112,564.49/168,811.49 = 37,667.13/x
  3. Step 3: Cross multiply
    112,564.49x = 168,811.49 × 37,667.13
  4. Step 4: Simplify right side
    112,564.49x = 6,358,643,800.45
  5. Step 5: Solve for x
    x = 6,358,643,800.45/112,564.49
  6. Step 6: Final answer
    x = 56,488.90

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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.