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Finding the Fourth Proportional to 84,763.67, 116,973.05 and 47,037.92

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Solution

The fourth proportional to 84,763.67, 116,973.05 and 47,037.92 is: 64,911.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,763.67 : 116,973.05 = 47,037.92 : x
  2. Step 2: Convert to fraction form
    84,763.67/116,973.05 = 47,037.92/x
  3. Step 3: Cross multiply
    84,763.67x = 116,973.05 × 47,037.92
  4. Step 4: Simplify right side
    84,763.67x = 5,502,168,148.00
  5. Step 5: Solve for x
    x = 5,502,168,148.00/84,763.67
  6. Step 6: Final answer
    x = 64,911.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.