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Finding the Fourth Proportional to 359,558.19, 539,197.10 and 134,796.10

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Solution

The fourth proportional to 359,558.19, 539,197.10 and 134,796.10 is: 202,141.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,558.19 : 539,197.10 = 134,796.10 : x
  2. Step 2: Convert to fraction form
    359,558.19/539,197.10 = 134,796.10/x
  3. Step 3: Cross multiply
    359,558.19x = 539,197.10 × 134,796.10
  4. Step 4: Simplify right side
    359,558.19x = 72,681,666,464.04
  5. Step 5: Solve for x
    x = 72,681,666,464.04/359,558.19
  6. Step 6: Final answer
    x = 202,141.60

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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.