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Finding the Fourth Proportional to 367,980.42, 551,988.45 and 101,735.04

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Solution

The fourth proportional to 367,980.42, 551,988.45 and 101,735.04 is: 152,607.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,980.42 : 551,988.45 = 101,735.04 : x
  2. Step 2: Convert to fraction form
    367,980.42/551,988.45 = 101,735.04/x
  3. Step 3: Cross multiply
    367,980.42x = 551,988.45 × 101,735.04
  4. Step 4: Simplify right side
    367,980.42x = 56,156,567,040.29
  5. Step 5: Solve for x
    x = 56,156,567,040.29/367,980.42
  6. Step 6: Final answer
    x = 152,607.49

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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.