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Finding the Fourth Proportional to 302,773.75, 417,827.79 and 168,637.75

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Solution

The fourth proportional to 302,773.75, 417,827.79 and 168,637.75 is: 232,720.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,773.75 : 417,827.79 = 168,637.75 : x
  2. Step 2: Convert to fraction form
    302,773.75/417,827.79 = 168,637.75/x
  3. Step 3: Cross multiply
    302,773.75x = 417,827.79 × 168,637.75
  4. Step 4: Simplify right side
    302,773.75x = 70,461,538,393.07
  5. Step 5: Solve for x
    x = 70,461,538,393.07/302,773.75
  6. Step 6: Final answer
    x = 232,720.10

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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.