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Finding the Fourth Proportional to 215,695.94, 297,536.66 and 134,983.30

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Solution

The fourth proportional to 215,695.94, 297,536.66 and 134,983.30 is: 186,199.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,695.94 : 297,536.66 = 134,983.30 : x
  2. Step 2: Convert to fraction form
    215,695.94/297,536.66 = 134,983.30/x
  3. Step 3: Cross multiply
    215,695.94x = 297,536.66 × 134,983.30
  4. Step 4: Simplify right side
    215,695.94x = 40,162,480,237.78
  5. Step 5: Solve for x
    x = 40,162,480,237.78/215,695.94
  6. Step 6: Final answer
    x = 186,199.52

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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.