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Finding the Fourth Proportional to 79,265.92, 118,897.68 and 19,294.84

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Solution

The fourth proportional to 79,265.92, 118,897.68 and 19,294.84 is: 28,941.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,265.92 : 118,897.68 = 19,294.84 : x
  2. Step 2: Convert to fraction form
    79,265.92/118,897.68 = 19,294.84/x
  3. Step 3: Cross multiply
    79,265.92x = 118,897.68 × 19,294.84
  4. Step 4: Simplify right side
    79,265.92x = 2,294,111,711.97
  5. Step 5: Solve for x
    x = 2,294,111,711.97/79,265.92
  6. Step 6: Final answer
    x = 28,941.97

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1.5x scale

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.