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Finding the Fourth Proportional to 133,926, 184,817.88 and 74,310

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Solution

The fourth proportional to 133,926, 184,817.88 and 74,310 is: 102,547.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,926 : 184,817.88 = 74,310 : x
  2. Step 2: Convert to fraction form
    133,926/184,817.88 = 74,310/x
  3. Step 3: Cross multiply
    133,926x = 184,817.88 × 74,310
  4. Step 4: Simplify right side
    133,926x = 13,733,816,662.80
  5. Step 5: Solve for x
    x = 13,733,816,662.80/133,926
  6. Step 6: Final answer
    x = 102,547.80

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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.