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Finding the Fourth Proportional to 169,090.51, 233,349.08 and 92,612.83

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Solution

The fourth proportional to 169,090.51, 233,349.08 and 92,612.83 is: 127,807.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,090.51 : 233,349.08 = 92,612.83 : x
  2. Step 2: Convert to fraction form
    169,090.51/233,349.08 = 92,612.83/x
  3. Step 3: Cross multiply
    169,090.51x = 233,349.08 × 92,612.83
  4. Step 4: Simplify right side
    169,090.51x = 21,611,117,741.48
  5. Step 5: Solve for x
    x = 21,611,117,741.48/169,090.51
  6. Step 6: Final answer
    x = 127,807.99

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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.