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Finding the Fourth Proportional to 79,354.59, 118,973.75 and 29,434.93

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Solution

The fourth proportional to 79,354.59, 118,973.75 and 29,434.93 is: 44,130.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,354.59 : 118,973.75 = 29,434.93 : x
  2. Step 2: Convert to fraction form
    79,354.59/118,973.75 = 29,434.93/x
  3. Step 3: Cross multiply
    79,354.59x = 118,973.75 × 29,434.93
  4. Step 4: Simplify right side
    79,354.59x = 3,501,983,558.48
  5. Step 5: Solve for x
    x = 3,501,983,558.48/79,354.59
  6. Step 6: Final answer
    x = 44,130.83

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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.