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Finding the Fourth Proportional to 118,133.84, 163,021.10 and 67,152.14

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Solution

The fourth proportional to 118,133.84, 163,021.10 and 67,152.14 is: 92,667.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,133.84 : 163,021.10 = 67,152.14 : x
  2. Step 2: Convert to fraction form
    118,133.84/163,021.10 = 67,152.14/x
  3. Step 3: Cross multiply
    118,133.84x = 163,021.10 × 67,152.14
  4. Step 4: Simplify right side
    118,133.84x = 10,947,214,579.29
  5. Step 5: Solve for x
    x = 10,947,214,579.29/118,133.84
  6. Step 6: Final answer
    x = 92,667.90

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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.