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Finding the Fourth Proportional to 316,036.00, 474,119.60 and 105,668.47

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Solution

The fourth proportional to 316,036.00, 474,119.60 and 105,668.47 is: 158,524.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,036.00 : 474,119.60 = 105,668.47 : x
  2. Step 2: Convert to fraction form
    316,036.00/474,119.60 = 105,668.47/x
  3. Step 3: Cross multiply
    316,036.00x = 474,119.60 × 105,668.47
  4. Step 4: Simplify right side
    316,036.00x = 50,099,490,622.59
  5. Step 5: Solve for x
    x = 50,099,490,622.59/316,036.00
  6. Step 6: Final answer
    x = 158,524.63

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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.