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Finding the Fourth Proportional to 258,056.64, 356,124.48 and 144,876.48

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Solution

The fourth proportional to 258,056.64, 356,124.48 and 144,876.48 is: 199,933.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,056.64 : 356,124.48 = 144,876.48 : x
  2. Step 2: Convert to fraction form
    258,056.64/356,124.48 = 144,876.48/x
  3. Step 3: Cross multiply
    258,056.64x = 356,124.48 × 144,876.48
  4. Step 4: Simplify right side
    258,056.64x = 51,594,061,104.23
  5. Step 5: Solve for x
    x = 51,594,061,104.23/258,056.64
  6. Step 6: Final answer
    x = 199,933.09

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1.5x scale

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.