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Finding the Fourth Proportional to 133,232.33, 183,852.79 and 72,790.94

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Solution

The fourth proportional to 133,232.33, 183,852.79 and 72,790.94 is: 100,447.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,232.33 : 183,852.79 = 72,790.94 : x
  2. Step 2: Convert to fraction form
    133,232.33/183,852.79 = 72,790.94/x
  3. Step 3: Cross multiply
    133,232.33x = 183,852.79 × 72,790.94
  4. Step 4: Simplify right side
    133,232.33x = 13,382,817,683.38
  5. Step 5: Solve for x
    x = 13,382,817,683.38/133,232.33
  6. Step 6: Final answer
    x = 100,447.22

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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.