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Finding the Fourth Proportional to 354,123.77, 531,029.35 and 101,346.69

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Solution

The fourth proportional to 354,123.77, 531,029.35 and 101,346.69 is: 151,975.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,123.77 : 531,029.35 = 101,346.69 : x
  2. Step 2: Convert to fraction form
    354,123.77/531,029.35 = 101,346.69/x
  3. Step 3: Cross multiply
    354,123.77x = 531,029.35 × 101,346.69
  4. Step 4: Simplify right side
    354,123.77x = 53,818,069,033.39
  5. Step 5: Solve for x
    x = 53,818,069,033.39/354,123.77
  6. Step 6: Final answer
    x = 151,975.31

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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.