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Finding the Fourth Proportional to 258,058.64, 356,127.24 and 144,878.48

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Solution

The fourth proportional to 258,058.64, 356,127.24 and 144,878.48 is: 199,935.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,058.64 : 356,127.24 = 144,878.48 : x
  2. Step 2: Convert to fraction form
    258,058.64/356,127.24 = 144,878.48/x
  3. Step 3: Cross multiply
    258,058.64x = 356,127.24 × 144,878.48
  4. Step 4: Simplify right side
    258,058.64x = 51,595,173,217.80
  5. Step 5: Solve for x
    x = 51,595,173,217.80/258,058.64
  6. Step 6: Final answer
    x = 199,935.85

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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.