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Finding the Fourth Proportional to 302,659.02, 417,664.29 and 166,705.68

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Solution

The fourth proportional to 302,659.02, 417,664.29 and 166,705.68 is: 230,051.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,659.02 : 417,664.29 = 166,705.68 : x
  2. Step 2: Convert to fraction form
    302,659.02/417,664.29 = 166,705.68/x
  3. Step 3: Cross multiply
    302,659.02x = 417,664.29 × 166,705.68
  4. Step 4: Simplify right side
    302,659.02x = 69,627,009,476.17
  5. Step 5: Solve for x
    x = 69,627,009,476.17/302,659.02
  6. Step 6: Final answer
    x = 230,051.00

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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.