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Finding the Fourth Proportional to 133,642.06, 184,426.03 and 79,927.07

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Solution

The fourth proportional to 133,642.06, 184,426.03 and 79,927.07 is: 110,299.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,642.06 : 184,426.03 = 79,927.07 : x
  2. Step 2: Convert to fraction form
    133,642.06/184,426.03 = 79,927.07/x
  3. Step 3: Cross multiply
    133,642.06x = 184,426.03 × 79,927.07
  4. Step 4: Simplify right side
    133,642.06x = 14,740,632,209.63
  5. Step 5: Solve for x
    x = 14,740,632,209.63/133,642.06
  6. Step 6: Final answer
    x = 110,299.35

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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.