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Finding the Fourth Proportional to 133,816.24, 184,671.12 and 73,387

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Solution

The fourth proportional to 133,816.24, 184,671.12 and 73,387 is: 101,276.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,816.24 : 184,671.12 = 73,387 : x
  2. Step 2: Convert to fraction form
    133,816.24/184,671.12 = 73,387/x
  3. Step 3: Cross multiply
    133,816.24x = 184,671.12 × 73,387
  4. Step 4: Simplify right side
    133,816.24x = 13,552,459,483.44
  5. Step 5: Solve for x
    x = 13,552,459,483.44/133,816.24
  6. Step 6: Final answer
    x = 101,276.64

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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.