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Finding the Fourth Proportional to 79,225.92, 118,858.68 and 55,897.92

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Solution

The fourth proportional to 79,225.92, 118,858.68 and 55,897.92 is: 83,860.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,225.92 : 118,858.68 = 55,897.92 : x
  2. Step 2: Convert to fraction form
    79,225.92/118,858.68 = 55,897.92/x
  3. Step 3: Cross multiply
    79,225.92x = 118,858.68 × 55,897.92
  4. Step 4: Simplify right side
    79,225.92x = 6,643,952,985.95
  5. Step 5: Solve for x
    x = 6,643,952,985.95/79,225.92
  6. Step 6: Final answer
    x = 83,860.85

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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.