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Finding the Fourth Proportional to 133,685.53, 184,483.13 and 73,254.87

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Solution

The fourth proportional to 133,685.53, 184,483.13 and 73,254.87 is: 101,090.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,685.53 : 184,483.13 = 73,254.87 : x
  2. Step 2: Convert to fraction form
    133,685.53/184,483.13 = 73,254.87/x
  3. Step 3: Cross multiply
    133,685.53x = 184,483.13 × 73,254.87
  4. Step 4: Simplify right side
    133,685.53x = 13,514,287,705.34
  5. Step 5: Solve for x
    x = 13,514,287,705.34/133,685.53
  6. Step 6: Final answer
    x = 101,090.13

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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.