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Finding the Fourth Proportional to 218,937.52, 302,134.22 and 118,335.52

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Solution

The fourth proportional to 218,937.52, 302,134.22 and 118,335.52 is: 163,303.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,937.52 : 302,134.22 = 118,335.52 : x
  2. Step 2: Convert to fraction form
    218,937.52/302,134.22 = 118,335.52/x
  3. Step 3: Cross multiply
    218,937.52x = 302,134.22 × 118,335.52
  4. Step 4: Simplify right side
    218,937.52x = 35,753,210,033.49
  5. Step 5: Solve for x
    x = 35,753,210,033.49/218,937.52
  6. Step 6: Final answer
    x = 163,303.26

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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.