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Finding the Fourth Proportional to 238,998.92, 358,516.80 and 61,507.67

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Solution

The fourth proportional to 238,998.92, 358,516.80 and 61,507.67 is: 92,266.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,998.92 : 358,516.80 = 61,507.67 : x
  2. Step 2: Convert to fraction form
    238,998.92/358,516.80 = 61,507.67/x
  3. Step 3: Cross multiply
    238,998.92x = 358,516.80 × 61,507.67
  4. Step 4: Simplify right side
    238,998.92x = 22,051,531,231.27
  5. Step 5: Solve for x
    x = 22,051,531,231.27/238,998.92
  6. Step 6: Final answer
    x = 92,266.24

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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.