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Finding the Fourth Proportional to 242,633.91, 363,950.87 and 74,154.72

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Solution

The fourth proportional to 242,633.91, 363,950.87 and 74,154.72 is: 111,232.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,633.91 : 363,950.87 = 74,154.72 : x
  2. Step 2: Convert to fraction form
    242,633.91/363,950.87 = 74,154.72/x
  3. Step 3: Cross multiply
    242,633.91x = 363,950.87 × 74,154.72
  4. Step 4: Simplify right side
    242,633.91x = 26,988,676,269.77
  5. Step 5: Solve for x
    x = 26,988,676,269.77/242,633.91
  6. Step 6: Final answer
    x = 111,232.09

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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.