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Finding the Fourth Proportional to 144,170.01, 215,953.65 and 115,937.64

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Solution

The fourth proportional to 144,170.01, 215,953.65 and 115,937.64 is: 173,664.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,170.01 : 215,953.65 = 115,937.64 : x
  2. Step 2: Convert to fraction form
    144,170.01/215,953.65 = 115,937.64/x
  3. Step 3: Cross multiply
    144,170.01x = 215,953.65 × 115,937.64
  4. Step 4: Simplify right side
    144,170.01x = 25,037,156,530.39
  5. Step 5: Solve for x
    x = 25,037,156,530.39/144,170.01
  6. Step 6: Final answer
    x = 173,664.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.