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Finding the Fourth Proportional to 241,885.47, 362,928.16 and 121,878.28

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Solution

The fourth proportional to 241,885.47, 362,928.16 and 121,878.28 is: 182,867.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,885.47 : 362,928.16 = 121,878.28 : x
  2. Step 2: Convert to fraction form
    241,885.47/362,928.16 = 121,878.28/x
  3. Step 3: Cross multiply
    241,885.47x = 362,928.16 × 121,878.28
  4. Step 4: Simplify right side
    241,885.47x = 44,233,060,510.37
  5. Step 5: Solve for x
    x = 44,233,060,510.37/241,885.47
  6. Step 6: Final answer
    x = 182,867.78

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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.