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Finding the Fourth Proportional to 79,799.34, 119,702.64 and 29,866.48

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Solution

The fourth proportional to 79,799.34, 119,702.64 and 29,866.48 is: 44,801.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,799.34 : 119,702.64 = 29,866.48 : x
  2. Step 2: Convert to fraction form
    79,799.34/119,702.64 = 29,866.48/x
  3. Step 3: Cross multiply
    79,799.34x = 119,702.64 × 29,866.48
  4. Step 4: Simplify right side
    79,799.34x = 3,575,096,503.51
  5. Step 5: Solve for x
    x = 3,575,096,503.51/79,799.34
  6. Step 6: Final answer
    x = 44,801.08

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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.