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Finding the Fourth Proportional to 359,336.10, 539,096.46 and 134,699.58

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Solution

The fourth proportional to 359,336.10, 539,096.46 and 134,699.58 is: 202,083.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,336.10 : 539,096.46 = 134,699.58 : x
  2. Step 2: Convert to fraction form
    359,336.10/539,096.46 = 134,699.58/x
  3. Step 3: Cross multiply
    359,336.10x = 539,096.46 × 134,699.58
  4. Step 4: Simplify right side
    359,336.10x = 72,616,066,741.49
  5. Step 5: Solve for x
    x = 72,616,066,741.49/359,336.10
  6. Step 6: Final answer
    x = 202,083.97

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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.