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Finding the Fourth Proportional to 222,378.48, 306,876.62 and 124,262.53

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Solution

The fourth proportional to 222,378.48, 306,876.62 and 124,262.53 is: 171,479.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,378.48 : 306,876.62 = 124,262.53 : x
  2. Step 2: Convert to fraction form
    222,378.48/306,876.62 = 124,262.53/x
  3. Step 3: Cross multiply
    222,378.48x = 306,876.62 × 124,262.53
  4. Step 4: Simplify right side
    222,378.48x = 38,133,264,742.51
  5. Step 5: Solve for x
    x = 38,133,264,742.51/222,378.48
  6. Step 6: Final answer
    x = 171,479.11

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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.