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Finding the Fourth Proportional to 133,761.69, 184,594.65 and 75,613.80

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Solution

The fourth proportional to 133,761.69, 184,594.65 and 75,613.80 is: 104,349.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,761.69 : 184,594.65 = 75,613.80 : x
  2. Step 2: Convert to fraction form
    133,761.69/184,594.65 = 75,613.80/x
  3. Step 3: Cross multiply
    133,761.69x = 184,594.65 × 75,613.80
  4. Step 4: Simplify right side
    133,761.69x = 13,957,902,946.17
  5. Step 5: Solve for x
    x = 13,957,902,946.17/133,761.69
  6. Step 6: Final answer
    x = 104,349.03

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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.