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Finding the Fourth Proportional to 302,496.31, 453,744.61 and 124,808.03

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Solution

The fourth proportional to 302,496.31, 453,744.61 and 124,808.03 is: 187,212.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,496.31 : 453,744.61 = 124,808.03 : x
  2. Step 2: Convert to fraction form
    302,496.31/453,744.61 = 124,808.03/x
  3. Step 3: Cross multiply
    302,496.31x = 453,744.61 × 124,808.03
  4. Step 4: Simplify right side
    302,496.31x = 56,630,968,628.50
  5. Step 5: Solve for x
    x = 56,630,968,628.50/302,496.31
  6. Step 6: Final answer
    x = 187,212.10

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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.