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Finding the Fourth Proportional to 133,698.36, 184,498.32 and 79,951.68

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Solution

The fourth proportional to 133,698.36, 184,498.32 and 79,951.68 is: 110,330.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,698.36 : 184,498.32 = 79,951.68 : x
  2. Step 2: Convert to fraction form
    133,698.36/184,498.32 = 79,951.68/x
  3. Step 3: Cross multiply
    133,698.36x = 184,498.32 × 79,951.68
  4. Step 4: Simplify right side
    133,698.36x = 14,750,950,641.18
  5. Step 5: Solve for x
    x = 14,750,950,641.18/133,698.36
  6. Step 6: Final answer
    x = 110,330.08

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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.