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Finding the Fourth Proportional to 223,460.52, 308,381.60 and 121,492.84

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Solution

The fourth proportional to 223,460.52, 308,381.60 and 121,492.84 is: 167,663.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,460.52 : 308,381.60 = 121,492.84 : x
  2. Step 2: Convert to fraction form
    223,460.52/308,381.60 = 121,492.84/x
  3. Step 3: Cross multiply
    223,460.52x = 308,381.60 × 121,492.84
  4. Step 4: Simplify right side
    223,460.52x = 37,466,156,387.74
  5. Step 5: Solve for x
    x = 37,466,156,387.74/223,460.52
  6. Step 6: Final answer
    x = 167,663.43

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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.