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Finding the Fourth Proportional to 118,227.84, 163,133.76 and 67,929.60

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Solution

The fourth proportional to 118,227.84, 163,133.76 and 67,929.60 is: 93,730.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,227.84 : 163,133.76 = 67,929.60 : x
  2. Step 2: Convert to fraction form
    118,227.84/163,133.76 = 67,929.60/x
  3. Step 3: Cross multiply
    118,227.84x = 163,133.76 × 67,929.60
  4. Step 4: Simplify right side
    118,227.84x = 11,081,611,063.30
  5. Step 5: Solve for x
    x = 11,081,611,063.30/118,227.84
  6. Step 6: Final answer
    x = 93,730.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.