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Finding the Fourth Proportional to 92,336.31, 138,764.16 and 54,903.06

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Solution

The fourth proportional to 92,336.31, 138,764.16 and 54,903.06 is: 82,509.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,336.31 : 138,764.16 = 54,903.06 : x
  2. Step 2: Convert to fraction form
    92,336.31/138,764.16 = 54,903.06/x
  3. Step 3: Cross multiply
    92,336.31x = 138,764.16 × 54,903.06
  4. Step 4: Simplify right side
    92,336.31x = 7,618,577,002.33
  5. Step 5: Solve for x
    x = 7,618,577,002.33/92,336.31
  6. Step 6: Final answer
    x = 82,509.00

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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.