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Finding the Fourth Proportional to 302,462.30, 453,693.45 and 92,072.90

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Solution

The fourth proportional to 302,462.30, 453,693.45 and 92,072.90 is: 138,109.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,462.30 : 453,693.45 = 92,072.90 : x
  2. Step 2: Convert to fraction form
    302,462.30/453,693.45 = 92,072.90/x
  3. Step 3: Cross multiply
    302,462.30x = 453,693.45 × 92,072.90
  4. Step 4: Simplify right side
    302,462.30x = 41,772,871,652.51
  5. Step 5: Solve for x
    x = 41,772,871,652.51/302,462.30
  6. Step 6: Final answer
    x = 138,109.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.