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Finding the Fourth Proportional to 359,560.51, 539,200.56 and 134,798.43

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Solution

The fourth proportional to 359,560.51, 539,200.56 and 134,798.43 is: 202,145.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,560.51 : 539,200.56 = 134,798.43 : x
  2. Step 2: Convert to fraction form
    359,560.51/539,200.56 = 134,798.43/x
  3. Step 3: Cross multiply
    359,560.51x = 539,200.56 × 134,798.43
  4. Step 4: Simplify right side
    359,560.51x = 72,683,388,943.12
  5. Step 5: Solve for x
    x = 72,683,388,943.12/359,560.51
  6. Step 6: Final answer
    x = 202,145.08

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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.