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Finding the Fourth Proportional to 253,663.24, 349,886.68 and 163,133.73

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Solution

The fourth proportional to 253,663.24, 349,886.68 and 163,133.73 is: 225,016.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,663.24 : 349,886.68 = 163,133.73 : x
  2. Step 2: Convert to fraction form
    253,663.24/349,886.68 = 163,133.73/x
  3. Step 3: Cross multiply
    253,663.24x = 349,886.68 × 163,133.73
  4. Step 4: Simplify right side
    253,663.24x = 57,078,317,028.45
  5. Step 5: Solve for x
    x = 57,078,317,028.45/253,663.24
  6. Step 6: Final answer
    x = 225,016.12

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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.