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Finding the Fourth Proportional to 133,571.34, 184,328.76 and 73,145.94

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Solution

The fourth proportional to 133,571.34, 184,328.76 and 73,145.94 is: 100,941.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,571.34 : 184,328.76 = 73,145.94 : x
  2. Step 2: Convert to fraction form
    133,571.34/184,328.76 = 73,145.94/x
  3. Step 3: Cross multiply
    133,571.34x = 184,328.76 × 73,145.94
  4. Step 4: Simplify right side
    133,571.34x = 13,482,900,419.23
  5. Step 5: Solve for x
    x = 13,482,900,419.23/133,571.34
  6. Step 6: Final answer
    x = 100,941.57

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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.