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Finding the Fourth Proportional to 92,995.83, 128,331.44 and 54,746.58

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Solution

The fourth proportional to 92,995.83, 128,331.44 and 54,746.58 is: 75,548.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,995.83 : 128,331.44 = 54,746.58 : x
  2. Step 2: Convert to fraction form
    92,995.83/128,331.44 = 54,746.58/x
  3. Step 3: Cross multiply
    92,995.83x = 128,331.44 × 54,746.58
  4. Step 4: Simplify right side
    92,995.83x = 7,025,707,859.28
  5. Step 5: Solve for x
    x = 7,025,707,859.28/92,995.83
  6. Step 6: Final answer
    x = 75,548.63

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1.5x scale

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.