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Finding the Fourth Proportional to 302,646.16, 454,134.36 and 125,168.56

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Solution

The fourth proportional to 302,646.16, 454,134.36 and 125,168.56 is: 187,821.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,646.16 : 454,134.36 = 125,168.56 : x
  2. Step 2: Convert to fraction form
    302,646.16/454,134.36 = 125,168.56/x
  3. Step 3: Cross multiply
    302,646.16x = 454,134.36 × 125,168.56
  4. Step 4: Simplify right side
    302,646.16x = 56,843,343,887.72
  5. Step 5: Solve for x
    x = 56,843,343,887.72/302,646.16
  6. Step 6: Final answer
    x = 187,821.13

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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.