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Finding the Fourth Proportional to 359,688.93, 539,533.32 and 106,968.39

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Solution

The fourth proportional to 359,688.93, 539,533.32 and 106,968.39 is: 160,452.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,688.93 : 539,533.32 = 106,968.39 : x
  2. Step 2: Convert to fraction form
    359,688.93/539,533.32 = 106,968.39/x
  3. Step 3: Cross multiply
    359,688.93x = 539,533.32 × 106,968.39
  4. Step 4: Simplify right side
    359,688.93x = 57,713,010,591.75
  5. Step 5: Solve for x
    x = 57,713,010,591.75/359,688.93
  6. Step 6: Final answer
    x = 160,452.56

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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.