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Finding the Fourth Proportional to 302,614, 453,666.90 and 131,708.08

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Solution

The fourth proportional to 302,614, 453,666.90 and 131,708.08 is: 197,451.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,614 : 453,666.90 = 131,708.08 : x
  2. Step 2: Convert to fraction form
    302,614/453,666.90 = 131,708.08/x
  3. Step 3: Cross multiply
    302,614x = 453,666.90 × 131,708.08
  4. Step 4: Simplify right side
    302,614x = 59,751,596,358.55
  5. Step 5: Solve for x
    x = 59,751,596,358.55/302,614
  6. Step 6: Final answer
    x = 197,451.53

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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.