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Finding the Fourth Proportional to 238,988.68, 358,537.03 and 79,064.24

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Solution

The fourth proportional to 238,988.68, 358,537.03 and 79,064.24 is: 118,614.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,988.68 : 358,537.03 = 79,064.24 : x
  2. Step 2: Convert to fraction form
    238,988.68/358,537.03 = 79,064.24/x
  3. Step 3: Cross multiply
    238,988.68x = 358,537.03 × 79,064.24
  4. Step 4: Simplify right side
    238,988.68x = 28,347,455,798.46
  5. Step 5: Solve for x
    x = 28,347,455,798.46/238,988.68
  6. Step 6: Final answer
    x = 118,614.22

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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.