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Finding the Fourth Proportional to 356,885.64, 535,192.38 and 120,164.76

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Solution

The fourth proportional to 356,885.64, 535,192.38 and 120,164.76 is: 180,201.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,885.64 : 535,192.38 = 120,164.76 : x
  2. Step 2: Convert to fraction form
    356,885.64/535,192.38 = 120,164.76/x
  3. Step 3: Cross multiply
    356,885.64x = 535,192.38 × 120,164.76
  4. Step 4: Simplify right side
    356,885.64x = 64,311,263,896.53
  5. Step 5: Solve for x
    x = 64,311,263,896.53/356,885.64
  6. Step 6: Final answer
    x = 180,201.32

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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.