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Finding the Fourth Proportional to 238,988.01, 358,536.02 and 79,063.56

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Solution

The fourth proportional to 238,988.01, 358,536.02 and 79,063.56 is: 118,613.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,988.01 : 358,536.02 = 79,063.56 : x
  2. Step 2: Convert to fraction form
    238,988.01/358,536.02 = 79,063.56/x
  3. Step 3: Cross multiply
    238,988.01x = 358,536.02 × 79,063.56
  4. Step 4: Simplify right side
    238,988.01x = 28,347,133,734.11
  5. Step 5: Solve for x
    x = 28,347,133,734.11/238,988.01
  6. Step 6: Final answer
    x = 118,613.21

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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.