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Finding the Fourth Proportional to 133,544.68, 184,416.54 and 85,880.77

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Solution

The fourth proportional to 133,544.68, 184,416.54 and 85,880.77 is: 118,595.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,544.68 : 184,416.54 = 85,880.77 : x
  2. Step 2: Convert to fraction form
    133,544.68/184,416.54 = 85,880.77/x
  3. Step 3: Cross multiply
    133,544.68x = 184,416.54 × 85,880.77
  4. Step 4: Simplify right side
    133,544.68x = 15,837,834,455.94
  5. Step 5: Solve for x
    x = 15,837,834,455.94/133,544.68
  6. Step 6: Final answer
    x = 118,595.77

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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.