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Finding the Fourth Proportional to 118,614.54, 163,690.08 and 64,904.24

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Solution

The fourth proportional to 118,614.54, 163,690.08 and 64,904.24 is: 89,568.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,614.54 : 163,690.08 = 64,904.24 : x
  2. Step 2: Convert to fraction form
    118,614.54/163,690.08 = 64,904.24/x
  3. Step 3: Cross multiply
    118,614.54x = 163,690.08 × 64,904.24
  4. Step 4: Simplify right side
    118,614.54x = 10,624,180,237.94
  5. Step 5: Solve for x
    x = 10,624,180,237.94/118,614.54
  6. Step 6: Final answer
    x = 89,568.95

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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.