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Finding the Fourth Proportional to 359,133.36, 538,582.81 and 119,182.81

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Solution

The fourth proportional to 359,133.36, 538,582.81 and 119,182.81 is: 178,735.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,133.36 : 538,582.81 = 119,182.81 : x
  2. Step 2: Convert to fraction form
    359,133.36/538,582.81 = 119,182.81/x
  3. Step 3: Cross multiply
    359,133.36x = 538,582.81 × 119,182.81
  4. Step 4: Simplify right side
    359,133.36x = 64,189,812,713.50
  5. Step 5: Solve for x
    x = 64,189,812,713.50/359,133.36
  6. Step 6: Final answer
    x = 178,735.31

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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.