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Finding the Fourth Proportional to 258,042.32, 356,098.44 and 144,901.52

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Solution

The fourth proportional to 258,042.32, 356,098.44 and 144,901.52 is: 199,964.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,042.32 : 356,098.44 = 144,901.52 : x
  2. Step 2: Convert to fraction form
    258,042.32/356,098.44 = 144,901.52/x
  3. Step 3: Cross multiply
    258,042.32x = 356,098.44 × 144,901.52
  4. Step 4: Simplify right side
    258,042.32x = 51,599,205,225.63
  5. Step 5: Solve for x
    x = 51,599,205,225.63/258,042.32
  6. Step 6: Final answer
    x = 199,964.12

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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.