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Finding the Fourth Proportional to 92,456.89, 138,685.74 and 29,277.34

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Solution

The fourth proportional to 92,456.89, 138,685.74 and 29,277.34 is: 43,916.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,456.89 : 138,685.74 = 29,277.34 : x
  2. Step 2: Convert to fraction form
    92,456.89/138,685.74 = 29,277.34/x
  3. Step 3: Cross multiply
    92,456.89x = 138,685.74 × 29,277.34
  4. Step 4: Simplify right side
    92,456.89x = 4,060,349,563.13
  5. Step 5: Solve for x
    x = 4,060,349,563.13/92,456.89
  6. Step 6: Final answer
    x = 43,916.14

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1.5x scale

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.