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Finding the Fourth Proportional to 118,234.84, 163,159.08 and 67,240.45

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Solution

The fourth proportional to 118,234.84, 163,159.08 and 67,240.45 is: 92,788.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,234.84 : 163,159.08 = 67,240.45 : x
  2. Step 2: Convert to fraction form
    118,234.84/163,159.08 = 67,240.45/x
  3. Step 3: Cross multiply
    118,234.84x = 163,159.08 × 67,240.45
  4. Step 4: Simplify right side
    118,234.84x = 10,970,890,938.81
  5. Step 5: Solve for x
    x = 10,970,890,938.81/118,234.84
  6. Step 6: Final answer
    x = 92,788.99

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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.