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Finding the Fourth Proportional to 359,647.04, 539,528.96 and 135,025.12

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Solution

The fourth proportional to 359,647.04, 539,528.96 and 135,025.12 is: 202,559.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,647.04 : 539,528.96 = 135,025.12 : x
  2. Step 2: Convert to fraction form
    359,647.04/539,528.96 = 135,025.12/x
  3. Step 3: Cross multiply
    359,647.04x = 539,528.96 × 135,025.12
  4. Step 4: Simplify right side
    359,647.04x = 72,849,962,567.48
  5. Step 5: Solve for x
    x = 72,849,962,567.48/359,647.04
  6. Step 6: Final answer
    x = 202,559.61

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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.