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Finding the Fourth Proportional to 79,271.92, 118,927.68 and 55,943.92

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Solution

The fourth proportional to 79,271.92, 118,927.68 and 55,943.92 is: 83,929.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,271.92 : 118,927.68 = 55,943.92 : x
  2. Step 2: Convert to fraction form
    79,271.92/118,927.68 = 55,943.92/x
  3. Step 3: Cross multiply
    79,271.92x = 118,927.68 × 55,943.92
  4. Step 4: Simplify right side
    79,271.92x = 6,653,280,615.71
  5. Step 5: Solve for x
    x = 6,653,280,615.71/79,271.92
  6. Step 6: Final answer
    x = 83,929.85

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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.