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Finding the Fourth Proportional to 78,766.55, 118,133.55 and 22,594.17

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Solution

The fourth proportional to 78,766.55, 118,133.55 and 22,594.17 is: 33,886.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,766.55 : 118,133.55 = 22,594.17 : x
  2. Step 2: Convert to fraction form
    78,766.55/118,133.55 = 22,594.17/x
  3. Step 3: Cross multiply
    78,766.55x = 118,133.55 × 22,594.17
  4. Step 4: Simplify right side
    78,766.55x = 2,669,129,511.40
  5. Step 5: Solve for x
    x = 2,669,129,511.40/78,766.55
  6. Step 6: Final answer
    x = 33,886.59

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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.