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Finding the Fourth Proportional to 302,989.35, 418,125.16 and 167,025.52

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Solution

The fourth proportional to 302,989.35, 418,125.16 and 167,025.52 is: 230,495.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,989.35 : 418,125.16 = 167,025.52 : x
  2. Step 2: Convert to fraction form
    302,989.35/418,125.16 = 167,025.52/x
  3. Step 3: Cross multiply
    302,989.35x = 418,125.16 × 167,025.52
  4. Step 4: Simplify right side
    302,989.35x = 69,837,572,274.08
  5. Step 5: Solve for x
    x = 69,837,572,274.08/302,989.35
  6. Step 6: Final answer
    x = 230,495.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.