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Finding the Fourth Proportional to 118,785.84, 163,927.10 and 67,797.57

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Solution

The fourth proportional to 118,785.84, 163,927.10 and 67,797.57 is: 93,562.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,785.84 : 163,927.10 = 67,797.57 : x
  2. Step 2: Convert to fraction form
    118,785.84/163,927.10 = 67,797.57/x
  3. Step 3: Cross multiply
    118,785.84x = 163,927.10 × 67,797.57
  4. Step 4: Simplify right side
    118,785.84x = 11,113,859,037.15
  5. Step 5: Solve for x
    x = 11,113,859,037.15/118,785.84
  6. Step 6: Final answer
    x = 93,562.15

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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.