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Finding the Fourth Proportional to 118,082.94, 162,951.19 and 64,369

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Solution

The fourth proportional to 118,082.94, 162,951.19 and 64,369 is: 88,827.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,082.94 : 162,951.19 = 64,369 : x
  2. Step 2: Convert to fraction form
    118,082.94/162,951.19 = 64,369/x
  3. Step 3: Cross multiply
    118,082.94x = 162,951.19 × 64,369
  4. Step 4: Simplify right side
    118,082.94x = 10,489,005,149.11
  5. Step 5: Solve for x
    x = 10,489,005,149.11/118,082.94
  6. Step 6: Final answer
    x = 88,827.44

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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.