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Finding the Fourth Proportional to 133,477.36, 184,239.76 and 76,926.40

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Solution

The fourth proportional to 133,477.36, 184,239.76 and 76,926.40 is: 106,182.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,477.36 : 184,239.76 = 76,926.40 : x
  2. Step 2: Convert to fraction form
    133,477.36/184,239.76 = 76,926.40/x
  3. Step 3: Cross multiply
    133,477.36x = 184,239.76 × 76,926.40
  4. Step 4: Simplify right side
    133,477.36x = 14,172,901,473.66
  5. Step 5: Solve for x
    x = 14,172,901,473.66/133,477.36
  6. Step 6: Final answer
    x = 106,182.06

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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.