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Finding the Fourth Proportional to 163,963.70, 226,374.40 and 133,820.94

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Solution

The fourth proportional to 163,963.70, 226,374.40 and 133,820.94 is: 184,758.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,963.70 : 226,374.40 = 133,820.94 : x
  2. Step 2: Convert to fraction form
    163,963.70/226,374.40 = 133,820.94/x
  3. Step 3: Cross multiply
    163,963.70x = 226,374.40 × 133,820.94
  4. Step 4: Simplify right side
    163,963.70x = 30,293,634,999.94
  5. Step 5: Solve for x
    x = 30,293,634,999.94/163,963.70
  6. Step 6: Final answer
    x = 184,758.18

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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.